Document And Entity Information Document Type Document Type Document Quarterly Report Document Period End Date Document Period End Date Document Transition Report Entity File Number Entity Registrant Name Entity Registrant Name Entity Incorporation, State or Country Code Entity Tax Identification Number Entity Address, Address Line One Entity Address, Address Line Two Entity Address, City or Town Entity Address, State or Province Entity Address, Postal Zip Code City Area Code Local Phone Number Title of 12(b) Security Trading Symbol Trading Symbol Security Exchange Name Entity Current Reporting Status Entity Interactive Data Current Entity Filer Category Entity Filer Category Entity Small Business Entity Emerging Growth Company Entity Shell Company Entity Common Stock, Shares Outstanding Entity Common Stock, Shares Outstanding Current Fiscal Year End Date Current Fiscal Year End Date Document Fiscal Year Focus Document Fiscal Year Focus Document Fiscal Period Focus Document Fiscal Period Focus Entity Central Index Key Entity Central Index Key Amendment Flag Amendment Flag Condensed Balance Sheets Statement [Table] Statement [Line Items] Statement Assets [Abstract] Assets Assets, Current [Abstract] Current assets: Cash and Cash Equivalents, at Carrying Value Cash and cash equivalents Accounts Receivable, Net, Current Accounts receivable, net Accounts receivable, net Inventory, Net Inventory Total inventory Prepaid Expense and Other Assets, Current Prepaid expenses and other current assets Assets, Current Total current assets Property, Plant and Equipment, Net Property and equipment, net Operating Lease, Right-of-Use Asset Right-of-use assets Other Assets, Noncurrent Other assets Assets Total assets Liabilities and Equity [Abstract] Liabilities and Stockholders' Equity Liabilities, Current [Abstract] Current liabilities: Accounts Payable, Current Accounts payable Accrued Liabilities, Current Accrued liabilities Total accrued liabilities Deferred Revenue, Current Deferred licensing revenue Deferred revenue Present value of lessee's discounted obligation for lease payments from leases, classified as current. Lease, Liability, Current Less: current portion of lease liabilities Lease liabilities, current portion Liabilities, Current Total current liabilities Present value of lessee's discounted obligation for lease payments from lease, classified as noncurrent. Lease, Liability, Noncurrent Total lease liabilities, net of current portion Lease liabilities, net of current portion Accrued Income Taxes, Noncurrent Long-term income tax liability Liabilities Total liabilities Commitments and Contingencies. Commitments and contingencies (Note 5) Stockholders' Equity Attributable to Parent [Abstract] Stockholders' equity: Preferred Stock, Value, Issued Preferred stock, $0.0001 par value per share; 5,000,000 shares authorized; no shares issued and outstanding as of March 31, 2024 and December 31, 2023, respectively Common Stock, Value, Issued Common stock, $0.0001 par value per share; 100,000,000 shares authorized; 21,406,511 and 21,080,472 shares issued and outstanding as of March 31, 2024 and December 31, 2023, respectively Additional Paid in Capital, Common Stock Additional paid-in capital Retained Earnings (Accumulated Deficit) Accumulated deficit Stockholders' Equity Attributable to Parent Balance Balance Total stockholders' equity Liabilities and Equity Total liabilities and stockholders' equity Preferred Stock, Par Value Preferred stock, par value Preferred Stock, Shares Authorized Preferred stock, shares authorized Preferred Stock, Shares Issued Preferred stock, shares Issued Preferred Stock, Shares Outstanding Preferred stock, shares outstanding Common Stock, Par or Stated Value Per Share Common stock, par value Common Stock, Shares Authorized Common stock, shares authorized Common Stock, Shares, Issued Common stock, shares issued Common Stock, Shares, Outstanding Common stock, shares outstanding Condensed Statements of Operations and Comprehensive (Loss) Income Products and Services [Axis] Products and Services [Domain] Product sales Pertaining to licensing, royalty and other revenues. Licensing, royalty and other revenue Represents Licensing, royalty, patents and other revenues from customers not including related parties. Licensing, royalty, patent, and other revenue Revenue from Contract with Customer, Excluding Assessed Tax Total revenue Revenue Cost of Goods and Services Sold Total cost of sales Gross Profit Gross profit Operating Expenses [Abstract] Operating expenses: Research and Development Expense Research and development General and Administrative Expense General and administrative Selling and Marketing Expense Sales and marketing Operating Expenses Total operating expenses Operating Income (Loss) (Loss) income from operations Interest Expense Interest expense Other Nonoperating Income (Expense) Other income, net Income (Loss) from Continuing Operations before Income Taxes, Noncontrolling Interest Net (loss) income before income taxes Net (loss) income and comprehensive income Net (loss) income Earnings Per Share, Basic Net (loss) income per common share, Basic Earnings Per Share, Diluted Net (loss) income per common share, Diluted Weighted Average Number of Shares Outstanding, Basic Weighted-average shares of common stock outstanding, basic Weighted Average Number of Shares Outstanding, Diluted Weighted average shares of common stock outstanding, Diluted Weighted-average shares of common stock outstanding, diluted Income Statement Location [Axis] Income Statement Location [Domain] Research and Development [Member] Research and development General and Administrative [Member] General and administrative Sales and Marketing [Member] Sales and marketing Compensation Items [Abstract] Operating expenses include stock-based compensation as follows: Share-based Compensation Stock-based compensation Total stock-based compensation Condensed Statements of Stockholders' Equity Equity Components [Axis] Equity Component [Domain] Common Stock [Member] Common Stock Additional Paid-In Capital Accumulated Deficit Increase (Decrease) in Stockholders' Equity [Roll Forward] Increase (Decrease) in Stockholders' Equity Shares, Outstanding Balance (in shares) Balance (in shares) Stock Issued During Period, Value, Stock Options Exercised Exercise of stock options Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercises in Period Number of Options, Options exercised Exercise of stock options (in shares) Stock Issued During Period, Value, Share-based Compensation, Net of Forfeitures Issuance of common stock under stock incentive plans Stock Issued During Period, Shares, Share-based Compensation, Net of Forfeitures Number of shares issued (in shares) Issuance of common stock under stock incentive plans (in shares) Adjustments to Additional Paid in Capital, Share-based Compensation, Requisite Service Period Recognition Stock-based compensation expense Condensed Statement of Cash Flows Net Cash Provided by (Used in) Operating Activities, Continuing Operations [Abstract] Cash flows from operating activities Net Income (Loss), Including Portion Attributable to Noncontrolling Interest Net (loss) income Adjustments to Reconcile Net Income (Loss) to Cash Provided by (Used in) Operating Activities [Abstract] Adjustments to reconcile net (loss) income to net cash provided by operating activities: Depreciation, Depletion and Amortization, Nonproduction Depreciation and amortization Gain (Loss) on Extinguishment of Debt Loss on prepayment and termination of credit facility It represents the amount of gain on warrant revaluation during the period. Gain On Warrant Revaluation Non-cash warrant revaluation Amortization of Debt Issuance Costs and Discounts Non-cash interest expense Increase (Decrease) in Operating Capital [Abstract] Changes in operating assets and liabilities: Increase (Decrease) in Accounts Receivable Accounts receivable Increase (Decrease) in Inventories Inventory Increase (Decrease) in Prepaid Expense and Other Assets Prepaid expenses and other current assets Increase (Decrease) in Accounts Payable Accounts payable Increase (Decrease) in Accrued Liabilities Accrued liabilities Increase Decrease in a Contract with Customer Liability Deferred revenue The increase (decrease) in lease liabilities. Increase (Decrease) in Lease Liabilities Lease liabilities, net Net Cash Provided by (Used in) Operating Activities, Continuing Operations Net cash (used in) provided by operating activities Net Cash Provided by (Used in) Investing Activities, Continuing Operations [Abstract] Cash flows from investing activities Payments to Acquire Property, Plant, and Equipment Purchases of property and equipment Net Cash Provided by (Used in) Investing Activities, Continuing Operations Net cash used in investing activities Net Cash Provided by (Used in) Financing Activities, Continuing Operations [Abstract] Cash flows from financing activities Repayments of Long-term Debt Payments on long-term debt Proceeds from Stock Options Exercised Proceeds from exercise of stock options Net Cash Provided by (Used in) Financing Activities, Continuing Operations Net cash provided by (used in) financing activities Cash and Cash Equivalents, Period Increase (Decrease) Net decrease in cash and cash equivalents Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents Cash and cash equivalents at end of period Cash and cash equivalents at beginning of period Supplemental Cash Flow Information [Abstract] Supplementary cash flow information: Interest Paid, Net Interest paid Operating Lease, Payments Operating cash flows paid for operating leases Finance Lease, Principal Payments Financing cash flows paid for finance leases Noncash Investing and Financing Items [Abstract] Non-cash investing and financing activities: Right-of-Use Asset Obtained in Exchange for Finance Lease Liability Right-of-use assets obtained in exchange for finance lease liabilities Organization and Nature of Business Organization, Consolidation and Presentation of Financial Statements Disclosure [Text Block] Organization and Nature of Business Summary of Significant Accounting Policies Basis of Presentation and Significant Accounting Policies [Text Block] Summary of Significant Accounting Policies Revenue. Revenue from Contract with Customer [Text Block] Revenue Balance Sheet Components Supplemental Balance Sheet Disclosures [Text Block] Balance Sheet Components Leases The entire disclosure of information about leases. Lease Disclosure [Text Block] Leases Debt Debt Disclosure [Text Block] Debt Stock-Based Compensation Disclosure of Compensation Related Costs, Share-based Payments [Text Block] Stock-Based Compensation Significant Arrangements [Abstract] Significant Agreements The entire disclosure for significant arrangements. Significant Arrangements [Text Block] Significant Agreements Net (Loss) Income Per Common Share Earnings Per Share [Text Block] Net (Loss) Income Per Common Share Basis of Accounting, Policy [Policy Text Block] Basis of Presentation Use of Estimates, Policy [Policy Text Block] Use of Estimates Trade and Other Accounts Receivable, Policy [Policy Text Block] Accounts receivable, net Concentration Risk, Credit Risk, Policy [Policy Text Block] Concentration of Credit Risk Fair Value of Financial Instruments, Policy [Policy Text Block] Fair Value of Financial Instruments New Accounting Pronouncements, Policy [Policy Text Block] Recently Adopted Accounting Pronouncements Tabular disclosure of accounts receivable net. Schedule of Accounts Receivable Net [Table Text Block] Schedule of accounts receivable net Schedules of Concentration of Risk, by Risk Factor [Table Text Block] Schedule of revenue and accounts receivable for each significant customer Schedule of Fair Value, Assets and Liabilities Measured on Recurring Basis [Table Text Block] Schedule of fair value of financial assets and liabilities measured on recurring basis Disaggregation of Revenue [Table Text Block] Schedule of disaggregation of revenue Revenue from External Customers by Geographic Areas [Table Text Block] Schedule of revenue by region Schedule of Inventory, Current [Table Text Block] Schedule of Inventory Schedule of Accrued Liabilities [Table Text Block] Schedule of accrued liabilities Tabular disclosure of undiscounted cash flows of lessee's operating and finance lease liabilities. Includes, but is not limited to, reconciliation of undiscounted cash flows to lease liability recognized in statement of financial position. Lessee, Liability, Maturity [Table Text Block] Schedule of Undiscounted future non-cancellable lease payments The tabular disclosure of lease quantitative information. Lease Quantitative Disclosure [Table Text Block] Schedule of supplemental information Schedule of Share-based Compensation, Stock Options, Activity [Table Text Block] Summary of stock option activity Schedule of Share-based Compensation, Restricted Stock Units Award Activity [Table Text Block] Schedule of restricted stock unit activity Schedule of Earnings Per Share, Basic, by Common Class, Including Two Class Method [Table Text Block] Computation of basic net (loss) income per share Schedule of Earnings Per Share, Diluted, by Common Class, Including Two Class Method [Table Text Block] Computation of diluted net (loss) income per share Disaggregation of Revenue [Table] Disaggregation of Revenue [Line Items] Disaggregation of Revenue Accounts Receivable, Net, Current [Abstract] Accounts receivable Accounts Receivable, Gross, Current Trade accounts receivable Unbilled Receivables, Current Unbilled accounts receivable A valuation allowance for product returns and price concessions. Allowance For Product Returns and Price Concessions Allowance for product returns and price adjustments Concentration Risk [Table] Concentration Risk Benchmark [Axis] Concentration Risk Benchmark [Domain] Revenue [Member] Revenue Accounts Receivable, net [Member] Accounts Receivable, net Concentration Risk Type [Axis] Concentration Risk Type [Domain] Customer Concentration Risk [Member] Customer Concentration Risk Customer [Axis] Customer [Domain] Customer A. Customer A [Member] Customer A Customer B. Customer B [Member] Customer B Customer C. Customer C [Member] Customer C Customer D. Customer D [Member] Customer D Range [Axis] Range [Domain] Maximum [Member] Maximum Concentration Risk [Line Items] Concentration risk Concentration Risk, Percentage Concentration risk percentage Fair Value Measurements, Recurring and Nonrecurring [Table] Measurement Frequency [Axis] Fair Value, Measurement Frequency [Domain] Recurring Cash and Cash Equivalents [Axis] Cash and Cash Equivalents [Domain] Money Market Funds [Member] Money Market Funds Fair Value, Hierarchy [Axis] Fair Value Hierarchy [Domain] Level 1 [Member] Level 1 Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] Fair Value Cash and Cash Equivalents, Fair Value Disclosure Money market funds Assets, Fair Value Disclosure, Recurring Total assets measured at fair value Contract with Customer, Sales Channel [Axis] Contract with Customer, Sales Channel [Domain] Distributor Non-distributor Timing of Transfer of Good or Service [Axis] Timing of Transfer of Good or Service [Domain] Point in time Over time Licensing Royalties Other revenue Geographical [Axis] Geographical [Domain] APAC North America EMEA The number of primary geographic regions the Company has sales in. Number of Geographic Regions Number of primary geographic regions Inventory Disclosure [Abstract] Inventory Inventory, Raw Materials, Net of Reserves Raw materials Inventory, Work in Process, Net of Reserves Work-in-process Inventory, Finished Goods, Net of Reserves Finished goods Accrued Liabilities, Current [Abstract] Accrued liabilities Accrued Salaries, Current Payroll-related expenses Carrying value as of the balance sheet date of obligations incurred through that date and payable for inventory. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer). Accrued Inventory Inventory Other Accrued Liabilities, Current Other Type of Arrangement and Non-arrangement Transactions [Axis] Arrangements and Non-arrangement Transactions [Domain] RAD-Hard product This member stands for RAD hard product 1 agreement. RAD Hard product 1 agreement Contract with Customer, Liability [Abstract] Deferred Revenue Represents the total amount of consideration to be received per the agreement. Total Consideration of Agreement Total amount of consideration to be received Represents the amount billed for the performance under contractual agreements. Billed Contract Revenue Amount billed for the performance under contractual agreements Revenue, Remaining Performance Obligation, Amount Revenue expected to be recognized Lessor, Lease, Description [Table] Lessor, Lease, Description [Line Items] Leases Lessee Disclosure [Abstract] Future lease payments Amount of lessee's undiscounted obligation for lease payments for lease having an initial or remaining lease term in excess of one year due in remainder of fiscal year following latest fiscal year. Lessee, Liability, Payments, Remainder of Fiscal Year 2024 Amount of lessee's undiscounted obligation for lease payment for lease to be paid in next fiscal year following current fiscal year. Lessee, Lease, Liability, to be Paid, Year One 2025 Amount of lessee's undiscounted obligation for lease payments for lease, due in second fiscal year following latest fiscal year. Lessee, Liability, Payments, Due Year Two 2026 Amount of lessee's undiscounted obligation for lease payments for lease, due in third fiscal year following latest fiscal year. Lessee, Lease, Liability, Payments, Due Year Three 2027 Amount of lessee's undiscounted obligation for lease payments for lease, due in fourth fiscal year following latest fiscal year. Lessee, Lease, Liability, Payments, Due Year Four 2028 Amount of lessee's undiscounted obligation for lease payment for lease due after fourth fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach). Lessee, Lease, Liability, to be Paid, after Year Four Thereafter Amount of lessee's undiscounted obligation for lease payments for leases. Lessee, Lease, Liability, Payments, Due Total lease payments Amount of lessee's undiscounted obligation for lease payments in excess of discounted obligation for lease payments for leases. Lessee, Lease, Liability, Undiscounted Excess Amount Less: imputed interest Present value of lessee's discounted obligation for lease payments from leases. Lease Liability Total lease liabilities Lease, Cost [Abstract] Other lease information Operating Lease, Weighted Average Remaining Lease Term Weighted-average remaining lease term (years) Operating Lease, Weighted Average Discount Rate, Percent Weighted-average discount rate Finance Lease, Weighted Average Remaining Lease Term Weighted-average remaining lease term (years) Finance Lease, Weighted Average Discount Rate, Percent Weighted-average discount rate Schedule of Long-term Debt Instruments [Table] Credit Facility [Axis] Credit Facility [Domain] Represents the 2019 Credit Facility. 2019 Credit Facility Debt Instrument [Line Items] Debt Payments of Debt Extinguishment Costs Prepayment fee Long-term Line of Credit Outstanding balance Schedule of Error Corrections and Prior Period Adjustment Restatement [Table] Error Corrections and Prior Period Adjustments Restatement [Line Items] Prior period adjustment Share-based Compensation Arrangement by Share-based Payment Award, Additional General Disclosures [Abstract] Stock-based compensation Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Available for Grant Options and Awards Available for Grant, Outstanding, Ending balance Options and Awards Available for Grant, Outstanding, Beginning balance Shares available for future issuance (in shares) Share-based Compensation Arrangement by Share-based Payment Award, Number of Additional Shares Authorized Options and Awards Available for Grant, Options authorized Share based compensation arrangement by share based payment award number of shares available for grant utilized for another share based award. Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Available for Grant Used for Other Share Based Awards Other than Options Options and Awards Available for Grant, RSUs granted Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Number Number of Options, Outstanding, Ending balance Number of Options, Outstanding, Beginning balance Options remained outstanding Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Gross Number of Options, Options granted Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercisable, Number Number of Options, exercisable Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Weighted Average Exercise Price Weighted - Average Exercise Price Per Share, Options outstanding, Ending balance Weighted - Average Exercise Price Per Share, Options outstanding, Beginning balance Share-based Compensation Arrangements by Share-based Payment Award, Options, Exercises in Period, Weighted Average Exercise Price Weighted - Average Exercise Price Per Share, Options exercised Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercisable, Weighted Average Exercise Price Weighted - Average Exercise Price Per Share, Options exercisable Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Weighted Average Remaining Contractual Term Weighted - Average Remaining Contractual Life, Options outstanding Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercisable, Weighted Average Remaining Contractual Term Weighted - Average Remaining Contractual Life, Options exercisable Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Intrinsic Value Aggregate Intrinsic Value, Options outstanding Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercises in Period, Intrinsic Value Aggregate Intrinsic Value, Options exercised Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercisable, Intrinsic Value Aggregate Intrinsic Value, Options exercisable Schedule of Share-based Compensation Arrangements by Share-based Payment Award [Table] Plan Name [Axis] Plan Name [Domain] Two thousand sixteen equity incentive plan. 2016 Employee Incentive Plan [Member] 2016 Employee Incentive Plan Two thousand sixteen employee stock purchase plan. ESPP Share-based Compensation Arrangement by Share-based Payment Award [Line Items] Share-based Compensation Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested in Period, Fair Value Total grant date fair value of options vested Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Weighted Average Grant Date Fair Value Weighted-average grant date fair value of options granted Represents the increase in number of shares available for grant during the period. Share Based Compensation Arrangement by Share Based Payment Award Increase in Number of Shares Available for Grant Increase in number of shares reserved for issuance (in shares) Employee Service Share-based Compensation, Nonvested Awards, Compensation Not yet Recognized, Stock Options Unrecognized compensation expense related to unvested options Employee Service Share-based Compensation, Nonvested Awards, Compensation Not yet Recognized, Share-based Awards Other than Options Unrecognized stock-based compensation expense Employee Service Share-based Compensation, Nonvested Awards, Compensation Cost Not yet Recognized, Period for Recognition Unrecognized compensation expense, weighted-average period expected to be recognized RSUs Share-based Compensation Arrangement by Share-based Payment Award, Non-Option Equity Instruments, Outstanding [Roll Forward] Number of Restricted Stock Units Share-based Compensation Arrangement by Share-based Payment Award, Non-Option Equity Instruments, Outstanding, Number Balance, end of period Balance, beginning of period Share-based Compensation Arrangement by Share-based Payment Award, Non-Option Equity Instruments, Granted Granted Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Vested in Period Vested Number of shares of common stock, vested n/a Share-based Compensation Arrangement by Share-based Payment Award, Other than Options, Outstanding, Weighted Average Exercise Price [Abstract] Weighted Average Exercise Price Per Share Share-based Compensation Arrangement by Share-based Payment Award, Other than Options, Outstanding, Weighted Average Exercise Price Balance, end of period (price per share) Balance, beginning of period (price per share) Share-based Compensation Arrangements by Share-based Payment Award, Other than Options, Grants in Period, Weighted Average Exercise Price Granted (price per share) Share-based Compensation Arrangement by Share-based Payment Award, Other than Options, Vested, Weighted Average Exercise Price Vested (price per share) Schedule of Collaborative Arrangements and Non-collaborative Arrangement Transactions [Table] Joint development agreement. Joint Development Agreement [Member] Joint Development Agreement Counterparty Name [Axis] Counterparty Name [Domain] Global Foundries. Global Foundries, Inc. [Member] GlobalFoundries, Inc. Collaborative Arrangements and Non-collaborative Arrangement Transactions [Line Items] Joint development agreement Represents the period during which the related party possess the exclusive right to manufacture the Company's discrete and embedded ST-MRAM devices developed pursuant to the agreement, after the qualification of the MRAM device for a particular technology node. Period of Possession Of Exclusive Right to Manufacture After Qualification Of Device Period of possession of exclusive right to manufacture after qualification of device Represents the period during which the related party possess the exclusive right to manufacture the Company's discrete and embedded ST-MRAM devices developed pursuant to the agreement, after the completion of the relevant statement of work under which the device was developed. Period of Possession Of Exclusive Right to Manufacture After Completion Of Device Development Work Period of possession of exclusive right to manufacture after completion of device development work Net Income (Loss) Attributable to Parent [Abstract] Numerator: Weighted Average Number of Shares Outstanding, Diluted [Abstract] Denominator: Earnings Per Share, Basic [Abstract] Basic EPS Earnings Per Share, Diluted [Abstract] Diluted EPS Represents the gain (loss) on the change in fair value of the warrant liability. Warrant Liability Fair Value Gain (Loss) Recognized Less: warrant liability fair value loss recognized Net Income (Loss) Available to Common Stockholders, Diluted Net (loss) income attributable to common stockholders, diluted Weighted Average Number Diluted Shares Outstanding Adjustment Dilutive effect of stock options and RSUs Schedule of Antidilutive Securities Excluded from Computation of Earnings Per Share [Table] Antidilutive Securities [Axis] Antidilutive Securities, Name [Domain] Represents information related to both stock options and restricted stock units (RSUs). Stock Options and Restricted Stock Units [Member] Stock options and RSUs Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items] Antidilutive Securities Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount Potentially dilutive securities excluded from diluted net loss per common share