Equity Components [Axis]
Common Stock [Member]
Additional Paid-in Capital [Member]
AOCI Attributable to Parent [Member]
Retained Earnings [Member]
Sale of Stock [Axis]
Equity Distribution Agreement [Member]
Transaction Type [Axis]
Securities Purchase Agreement [Member]
Fair Value Hierarchy and NAV [Axis]
Fair Value, Inputs, Level 1 [Member]
Measurement Frequency [Axis]
Fair Value, Recurring [Member]
Financial Instrument [Axis]
Cash [Member]
Money Market Funds [Member]
U S Treasury Bills [Member]
U S Agency Bonds [Member]
Geographical [Axis]
North America [Member]
Asia Pacific [Member]
Primary Geographic Market [Member]
Timing of Transfer of Good or Service [Axis]
Transferred at Point in Time [Member]
Transferred over Time [Member]
Timing Of Revenue Recognition [Member]
Antidilutive Securities [Axis]
Share-Based Payment Arrangement, Option [Member]
Unvested Restricted Stock [Member]
Unvested Restricted Stock Units [Member]
Long-Lived Asset, Class [Axis]
Los Gatos CA [Member]
Tempe Office [Member]
Tempe AZ [Member]
Long-Term Debt, Type [Axis]
Financing Leases [Member]
Operating Leases [Member]
Plan Name [Axis]
Plan 2017 [Member]
Plan 2023 [Member]
Award Type [Axis]
Equity Option [Member]
Time Based Stock Option [Member]
Performance Based Stock Options 1 [Member]
Performance Based Stock Options 2 [Member]
Performance Based Stock Options 3 [Member]
Performance Based Stock Options [Member]
Nature of Expense [Axis]
Research And Development [Member]
General And Administrative [Member]
Selling And Marketing [Member]
Restricted Stock [Member]
Class of Stock [Axis]
Time Based Units [Member]
Restricted Stock Units (RSUs) [Member]
Performance Based Units [Member]
Individual [Axis]
Robert Mears [Member]
Robert Mears 1 [Member]
Cover [Abstract]
Document Type
Amendment Flag
Amendment Description
Document Registration Statement
Document Annual Report
Document Quarterly Report
Document Transition Report
Document Shell Company Report
Document Shell Company Event Date
Document Period Start Date
Document Period End Date
Document Fiscal Period Focus
Document Fiscal Year Focus
Current Fiscal Year End Date
Entity File Number
Entity Registrant Name
Entity Central Index Key
Entity Primary SIC Number
Entity Tax Identification Number
Entity Incorporation, State or Country Code
Entity Address, Address Line One
Entity Address, Address Line Two
Entity Address, Address Line Three
Entity Address, City or Town
Entity Address, State or Province
Entity Address, Country
Entity Address, Postal Zip Code
Country Region
City Area Code
Local Phone Number
Extension
Written Communications
Soliciting Material
Pre-commencement Tender Offer
Pre-commencement Issuer Tender Offer
Title of 12(b) Security
No Trading Symbol Flag
Trading Symbol
Security Exchange Name
Title of 12(g) Security
Security Reporting Obligation
Annual Information Form
Audited Annual Financial Statements
Entity Well-known Seasoned Issuer
Entity Voluntary Filers
Entity Current Reporting Status
Entity Interactive Data Current
Entity Filer Category
Entity Small Business
Entity Emerging Growth Company
Elected Not To Use the Extended Transition Period
Document Accounting Standard
Other Reporting Standard Item Number
Entity Shell Company
Entity Public Float
Entity Bankruptcy Proceedings, Reporting Current
Entity Common Stock, Shares Outstanding
Documents Incorporated by Reference [Text Block]
Statement of Financial Position [Abstract]
ASSETS
Current assets:
Cash and cash equivalents
Short-term investments
Accounts receivable
Interest receivable
Prepaid expenses and other current assets
Total current assets
Property and equipment, net
Security deposit
Operating lease right-of-use asset
Financing lease right-of-use-asset
Total assets
LIABILITIES AND STOCKHOLDERS’ EQUITY
Current liabilities:
Accounts payable
Accrued expenses
Accrued payroll-related expenses
Current operating lease liability
Current financing lease liability
Deferred revenue
Total current liabilities
Long-term operating lease liability
Total liabilities
Commitments and contingencies (see Note 9)
Stockholders’ equity:
Preferred stock $0.001 par value, authorized 2,500 shares; none issued and outstanding as of March 31, 2026 and December 31, 2025
Common stock: $0.001 par value, authorized 47,500 shares; 38,723 shares issued and 38,716 outstanding as of March 31, 2026; and 32,354 shares issued and outstanding as of December 31, 2025
Additional paid in capital
Other comprehensive income
Accumulated deficit
Total stockholders’ equity
Total liabilities and stockholders’ equity
Preferred stock, par value
Preferred stock, shares authorized
Preferred stock, shares issued
Preferred stock, shares outstanding
Common stock, par value
Common stock, shares authorized
Common stock, shares issued
Common stock, shares outstanding
Income Statement [Abstract]
Revenue
Cost of revenue
Gross profit (loss)
Operating expenses
Research and development
General and administrative
Selling and marketing
Total operating expenses
Loss from operations
Other income (expense)
Interest income
Accretion income
Interest expense
Other income (expense), net
Total other income (expense), net
Net loss
Net loss per common share, basic
Net loss per common share, diluted
Weighted average number of common shares outstanding, basic
Weighted average number of common shares outstanding, diluted
Net loss
Unrealized gain (loss) on available-for-sale securities
Net loss
Statement [Table]
Statement [Line Items]
Beginning balance, value
Beginning balance, shares
Stock-based compensation
Stock-based compensation, shares
Stock option exercises
Stock option exercises, shares
Forfeiture of restricted stock award
Forfeiture of restricted stock award, shares
Registered direct offering of common stock, net of commissions, expenses and other offering costs
Registered direct offering of common stock, net of commissions, expenses and other offering costs, shares
At-the-market sale of stock, net of commissions and expenses
At-the-market sale of stock, net of commissions and expenses, shares
Ending balance, value
Ending balance, shares
Statement of Cash Flows [Abstract]
Cash flows from operating activities
Adjustments to reconcile net loss to net cash used in operating activities:
Depreciation and amortization
Operating lease right of use asset amortization
Financing lease right of use asset amortization
Stock-based compensation
Net accretion of discounts on available-for-sale securities
Changes in operating assets and liabilities:
Accounts receivable
Interest receivable
Prepaid and other current assets
Accounts payable
Accrued expenses
Accrued payroll expenses
Operating lease liability
Deferred revenue
Net cash used in operating activities
Cash flows from investing activities
Acquisition of property and equipment
Purchase of available-for-sale securities
Maturity of available-for-sale securities
Net cash provided by/(used in) investing activities
Cash flows from financing activities
Proceeds from registered direct offering of common stock net of commissions and expenses
Proceeds from at-the-market sale of stock, net of commissions and expenses
Proceeds from exercise of stock options
Payments on principal of financing lease
Net cash provided by financing activities
Net (decrease) in cash and cash equivalents
Cash and cash equivalents at beginning of period
Cash and cash equivalents at end of period
Supplemental information:
Cash paid for interest
Cash paid for taxes
Pay vs Performance Disclosure [Table]
Executive Category [Axis]
Adjustment to Compensation [Axis]
Measure [Axis]
Pay vs Performance Disclosure, Table
Company Selected Measure Name
Named Executive Officers, Footnote
Peer Group Issuers, Footnote
Changed Peer Group, Footnote
PEO Total Compensation Amount
PEO Actually Paid Compensation Amount
Adjustment To PEO Compensation, Footnote
Non-PEO NEO Average Total Compensation Amount
Non-PEO NEO Average Compensation Actually Paid Amount
Adjustment to Non-PEO NEO Compensation Footnote
Equity Valuation Assumption Difference, Footnote
Compensation Actually Paid vs. Total Shareholder Return
Compensation Actually Paid vs. Net Income
Compensation Actually Paid vs. Company Selected Measure
Total Shareholder Return Vs Peer Group
Compensation Actually Paid vs. Other Measure
Tabular List, Table
Total Shareholder Return Amount
Peer Group Total Shareholder Return Amount
Net Income (Loss)
Company Selected Measure Amount
Other Performance Measure, Amount
Adjustment to Compensation, Amount
PEO Name
Name
Non-GAAP Measure Description
Additional 402(v) Disclosure
Pension Benefits Adjustments, Footnote
Equity Awards Adjustments, Footnote
Erroneously Awarded Compensation Recovery [Table]
Restatement Determination Date [Axis]
Restatement Determination Date
Aggregate Erroneous Compensation Amount
Erroneous Compensation Analysis
Stock Price or TSR Estimation Method
Outstanding Aggregate Erroneous Compensation Amount
Aggregate Erroneous Compensation Not Yet Determined
Name
Forgone Recovery due to Expense of Enforcement, Amount
Forgone Recovery due to Violation of Home Country Law, Amount
Forgone Recovery due to Disqualification of Tax Benefits, Amount
Forgone Recovery, Explanation of Impracticability
Name
Compensation Amount
Restatement does not require Recovery
Awards Close in Time to MNPI Disclosures [Table]
Award Timing MNPI Disclosure
Award Timing Method
Award Timing Predetermined
Award Timing MNPI Considered
Award Timing, How MNPI Considered
MNPI Disclosure Timed for Compensation Value
Awards Close in Time to MNPI Disclosures, Table
Name
Underlying Securities
Exercise Price
Fair Value as of Grant Date
Underlying Security Market Price Change
Trading Arrangements, by Individual [Table]
Material Terms of Trading Arrangement
Name
Title
Rule 10b5-1 Arrangement Adopted
Non-Rule 10b5-1 Arrangement Adopted
Adoption Date
Rule 10b5-1 Arrangement Terminated
Non-Rule 10b5-1 Arrangement Terminated
Termination Date
Expiration Date
Arrangement Duration
Aggregate Available
Insider Trading Policies and Procedures [Line Items]
Insider Trading Policies and Procedures Adopted
Insider Trading Policies and Procedures Not Adopted
Organization, Consolidation and Presentation of Financial Statements [Abstract]
NATURE OF OPERATIONS
LIQUIDITY AND MANAGEMENT PLANS
Accounting Policies [Abstract]
SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES
Fair Value Disclosures [Abstract]
FAIR VALUE MEASUREMENTS
Revenue from Contract with Customer [Abstract]
REVENUE
Earnings Per Share [Abstract]
BASIC AND DILUTED LOSS PER SHARE
Leases
LEASES
Share-Based Payment Arrangement [Abstract]
STOCK BASED COMPENSATION
Commitments and Contingencies Disclosure [Abstract]
COMMITMENTS AND CONTINGENCIES
Segment Reporting [Abstract]
SEGMENT INFORMATION
Subsequent Events [Abstract]
SUBSEQUENT EVENTS
Significant Accounting Policies
Basis of Presentation of Unaudited Condensed Financial Information
Cash, Cash Equivalents, and Short-Term Investments
Recent Accounting Standards
Schedule of fair value measurements
Schedule of disaggregated revenue by primary geographical markets and timing of revenue recognition
Schedule of anti-dilutive shares
Schedule of lease costs
Schedule of future minimum payments
Schedule of supplemental information and non-cash activity
Schedule of Share-Based Compensation Arrangements by Share-Based Payment Award [Table]
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]
Schedule of stock-based compensation expense
Schedule of performance based stock option activity
Schedule of restricted stock activity
Schedule of restricted stock unit activity
Schedule of selected financial information
Subsidiary or Equity Method Investee, Sale of Stock, Type [Table]
Subsidiary, Sale of Stock [Line Items]
Cash, cash equivalents and short-term investments
Working capital
Stock issued new, shares
Average price per share
Proceeds from sale of stock, value
Shares issued
Share price
Purchase price
Legal and other expenses
Proceeds from fees received
Fair Value, off-Balance-Sheet Risk [Table]
Fair Value, off-Balance-Sheet Risks, Disclosure Information [Line Items]
Cost
Unrealized Gain/(Loss)
Accretion of Discount
Fair Value
Disaggregation of Revenue [Table]
Disaggregation of Revenue [Line Items]
Deferred revenue
Antidilutive Security, Excluded EPS Calculation [Table]
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Anti dilutive shares
Financing lease costs:
Amortization of ROU assets
Interest on lease liabilities
Total financing lease costs
Operating lease costs:
Fixed lease costs
Variable lease costs
Short-term lease costs
Total operating lease costs
Schedule of Long-Term Debt Instruments [Table]
Debt Instrument [Line Items]
Remaining 2026
Remaining 2026
2027
2027
2028
2028
2029
2030
2031
Total future minimum lease payments
Total future minimum lease payments
Less imputed interest
Less imputed interest
Total lease liability
Total lease liability
Operating cash flow information:
Cash paid for amounts included in the measurement of operating lease liabilities
Cash paid for amounts included in the measurement of financing liabilities
Non-cash activity:
Right-of-use assets obtained in exchange for operating lease obligations
Property, Plant, and Equipment [Table]
Property, Plant, and Equipment [Line Items]
ROU asset
Lease liability
Weighted average remaining discount rate for operating leases
Lessee operating lease description
Weighted average remaining discount rate for financing leases
Weighted average lease term for financing lease
Weighted average lease term for operating lease
Interim Period, Costs Not Allocable [Table]
Interim Period, Costs Not Allocable [Line Items]
Stock-based compensation expense
Number of outstanding, beginning balance
Outstanding, weighted average exercise prices per share, beginning balance
Number of options granted
Options granted, weighted average exercise prices per share
Number of options exercised
Options exercised, weighted average exercise prices per share
Number of options forfeited
Options forfeited, weighted average exercise prices per share
Number of options expired
Options expired, weighted average exercise prices per share
Number of outstanding, ending balance
Outstanding, weighted average exercise prices per share, ending balance
Options outstanding, weighted average remaining contractual term
Options outstanding, intrinsic value
Options exercisable
Options exercisable, weighted average exercise prices per share
Options exercisable, weighted average remaining contractual term
Options exercisable, intrinsic value
Number of Shares, Beginning balance
Weighted average exerciseprices per share, Beginning balance
Number of Shares, granted
Weighted average exerciseprices per share, granted
Number of Shares, Ending balance
Weighted average exercise prices per share, Ending balance
Weighted average remaining contractual term
Intrinsic value
Number of restricted stock shares, vested
Weighted average grant date fair value per share, vested
Number of restricted stock shares, forfeited
Weighted average grant date fair value per share, forfeited
Number of restricted stock units shares, granted
Weighted average grant date fair value per share restricted stock unit, granted
Number of restricted stock units shares, vested
Weighted average grant date fair value per share restricted stock unit, vested
Number of restricted stock units shares, forfeited
Weighted average grant date fair value per share restricted stock unit, forfeited
Shares authorized for issuance
Additional shares authorized under the plan
Shares available for grant
Unrecognized compensation expense
Unrecognized compensation weighted average period
Average grant date fair value per share
Intrinsic value is based closing stock price
Stock price hurdles
Less expenses :
Employee related expenses
Stock-based compensation
Travel and entertainment
Tool related expenses
Consulting expenses
Metrology and other outsourced research expenses
Intellectual property related expenses
Other operating items
Loss from operations
Other income (expense), net
Number of operating segments
Assets, Current
Assets
Liabilities, Current
Liabilities
Equity, Attributable to Parent
Liabilities and Equity
Cost of Product and Service Sold
Gross Profit
Operating Expenses
Interest Expense, Nonoperating
Nonoperating Income (Expense)
Comprehensive Income (Loss), Net of Tax, Attributable to Parent
Shares, Outstanding
Stock Issued During Period, Value, Restricted Stock Award, Forfeitures
Stock Issued During Period, Shares, Restricted Stock Award, Forfeited
Increase (Decrease) in Accounts Receivable
Increase (Decrease) in Accrued Interest Receivable, Net
Increase (Decrease) in Prepaid Expense and Other Assets
Increase (Decrease) in Other Accounts Payable
Increase (Decrease) in Accrued Liabilities
Increase (Decrease) in Deferred Revenue
Cash Provided by (Used in) Operating Activity, Including Discontinued Operation
Payments to Acquire Property, Plant, and Equipment
Payments to Acquire Marketable Securities
Cash Provided by (Used in) Investing Activity, Including Discontinued Operation
Finance Lease, Principal Payments
Cash Provided by (Used in) Financing Activity, Including Discontinued Operation
Cash, Cash Equivalent, Restricted Cash, and Restricted Cash Equivalent, Period Increase (Decrease), Excluding Exchange Rate Effect, Including Discontinued Operation
Cash, Cash Equivalent, Restricted Cash, and Restricted Cash Equivalent, Continuing Operation
Forgone Recovery, Individual Name
Outstanding Recovery, Individual Name
Awards Close in Time to MNPI Disclosures, Individual Name
Trading Arrangement, Individual Name
Deferred Revenue
Lease, Cost
Operating Lease, Cost
Lessee, Operating Lease, Liability, to be Paid, Remainder of Fiscal Year
Lessee, Operating Lease, Liability, to be Paid, Year One
Lessee, Operating Lease, Liability, to be Paid, Year Two
Lessee, Operating Lease, Liability, to be Paid
Finance Lease, Liability, Undiscounted Excess Amount
Lessee, Operating Lease, Liability, Undiscounted Excess Amount
Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Outstanding, Number
Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Outstanding, Weighted Average Exercise Price
Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Forfeitures in Period
Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Expirations in Period
Share-Based Compensation Arrangement by Share-Based Payment Award, Non-Option Equity Instruments, Outstanding, Number
Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Nonvested, Weighted Average Grant Date Fair Value
Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Nonvested, Number
Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Vested in Period
Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Forfeited in Period
Share-Based Payment Arrangement, Expense