3.21.2 html 177 306 1 false 38 0 false 7 false false R1.htm 000 - Document - Document And Entity Information Sheet http://www.bsquare.com/20210930/role/statement-document-and-entity-information Document And Entity Information Cover 1 false false R2.htm 001 - Statement - Condensed Consolidated Balance Sheets (Current Period Unaudited) Sheet http://www.bsquare.com/20210930/role/statement-condensed-consolidated-balance-sheets-current-period-unaudited Condensed Consolidated Balance Sheets (Current Period Unaudited) Statements 2 false false R3.htm 002 - Statement - Condensed Consolidated Balance Sheets (Current Period Unaudited) (Parentheticals) Sheet http://www.bsquare.com/20210930/role/statement-condensed-consolidated-balance-sheets-current-period-unaudited-parentheticals Condensed Consolidated Balance Sheets (Current Period Unaudited) (Parentheticals) Statements 3 false false R4.htm 003 - Statement - Condensed Consolidated Statements of Operations and Comprehensive Loss (Unaudited) Sheet http://www.bsquare.com/20210930/role/statement-condensed-consolidated-statements-of-operations-and-comprehensive-loss-unaudited Condensed Consolidated Statements of Operations and Comprehensive Loss (Unaudited) Statements 4 false false R5.htm 004 - Statement - Condensed Consolidated Statements of Cash Flows (Unaudited) Sheet http://www.bsquare.com/20210930/role/statement-condensed-consolidated-statements-of-cash-flows-unaudited Condensed Consolidated Statements of Cash Flows (Unaudited) Statements 5 false false R6.htm 005 - Statement - Consolidated Statement of Shareholders' Equity (Unaudited) Sheet http://www.bsquare.com/20210930/role/statement-consolidated-statement-of-shareholders-equity-unaudited Consolidated Statement of Shareholders' Equity (Unaudited) Statements 6 false false R7.htm 006 - Disclosure - Note 1 - Description of Business and Summary of Significant Accounting Policies Sheet http://www.bsquare.com/20210930/role/statement-note-1-description-of-business-and-summary-of-significant-accounting-policies Note 1 - Description of Business and Summary of Significant Accounting Policies Notes 7 false false R8.htm 007 - Disclosure - Note 2 - Revenue Recognition Sheet http://www.bsquare.com/20210930/role/statement-note-2-revenue-recognition Note 2 - Revenue Recognition Notes 8 false false R9.htm 008 - Disclosure - Note 3 - Cash, Cash Equivalents and Restricted Cash Sheet http://www.bsquare.com/20210930/role/statement-note-3-cash-cash-equivalents-and-restricted-cash Note 3 - Cash, Cash Equivalents and Restricted Cash Notes 9 false false R10.htm 009 - Disclosure - Note 4 - Fair Value Measurements Sheet http://www.bsquare.com/20210930/role/statement-note-4-fair-value-measurements Note 4 - Fair Value Measurements Notes 10 false false R11.htm 010 - Disclosure - Note 5 - Intangible Assets Sheet http://www.bsquare.com/20210930/role/statement-note-5-intangible-assets Note 5 - Intangible Assets Notes 11 false false R12.htm 011 - Disclosure - Note 6 - Leases Sheet http://www.bsquare.com/20210930/role/statement-note-6-leases Note 6 - Leases Notes 12 false false R13.htm 012 - Disclosure - Note 7 - Shareholders' Equity Sheet http://www.bsquare.com/20210930/role/statement-note-7-shareholders-equity Note 7 - Shareholders' Equity Notes 13 false false R14.htm 013 - Disclosure - Note 8 - Commitments and Contingencies Sheet http://www.bsquare.com/20210930/role/statement-note-8-commitments-and-contingencies Note 8 - Commitments and Contingencies Notes 14 false false R15.htm 014 - Disclosure - Note 9 - Information About Geographic Areas and Operating Segments Sheet http://www.bsquare.com/20210930/role/statement-note-9-information-about-geographic-areas-and-operating-segments Note 9 - Information About Geographic Areas and Operating Segments Notes 15 false false R16.htm 015 - Disclosure - Note 10 - Significant Risk Concentrations Sheet http://www.bsquare.com/20210930/role/statement-note-10-significant-risk-concentrations Note 10 - Significant Risk Concentrations Notes 16 false false R17.htm 016 - Disclosure - Note 11 - Paycheck Protection Program (PPP) Loan Sheet http://www.bsquare.com/20210930/role/statement-note-11-paycheck-protection-program-ppp-loan Note 11 - Paycheck Protection Program (PPP) Loan Notes 17 false false R18.htm 017 - Disclosure - Note 12 - Revision of Prior Period Financial Statements Sheet http://www.bsquare.com/20210930/role/statement-note-12-revision-of-prior-period-financial-statements Note 12 - Revision of Prior Period Financial Statements Notes 18 false false R19.htm 018 - Disclosure - Significant Accounting Policies (Policies) Sheet http://www.bsquare.com/20210930/role/statement-significant-accounting-policies-policies Significant Accounting Policies (Policies) Policies http://www.bsquare.com/20210930/role/statement-note-1-description-of-business-and-summary-of-significant-accounting-policies 19 false false R20.htm 019 - Disclosure - Note 1 - Description of Business and Summary of Significant Accounting Policies (Tables) Sheet http://www.bsquare.com/20210930/role/statement-note-1-description-of-business-and-summary-of-significant-accounting-policies-tables Note 1 - Description of Business and Summary of Significant Accounting Policies (Tables) Tables http://www.bsquare.com/20210930/role/statement-note-1-description-of-business-and-summary-of-significant-accounting-policies 20 false false R21.htm 020 - Disclosure - Note 2 - Revenue Recognition (Tables) Sheet http://www.bsquare.com/20210930/role/statement-note-2-revenue-recognition-tables Note 2 - Revenue Recognition (Tables) Tables http://www.bsquare.com/20210930/role/statement-note-2-revenue-recognition 21 false false R22.htm 021 - Disclosure - Note 3 - Cash, Cash Equivalents and Restricted Cash (Tables) Sheet http://www.bsquare.com/20210930/role/statement-note-3-cash-cash-equivalents-and-restricted-cash-tables Note 3 - Cash, Cash Equivalents and Restricted Cash (Tables) Tables http://www.bsquare.com/20210930/role/statement-note-3-cash-cash-equivalents-and-restricted-cash 22 false false R23.htm 022 - Disclosure - Note 4 - Fair Value Measurements (Tables) Sheet http://www.bsquare.com/20210930/role/statement-note-4-fair-value-measurements-tables Note 4 - Fair Value Measurements (Tables) Tables http://www.bsquare.com/20210930/role/statement-note-4-fair-value-measurements 23 false false R24.htm 023 - Disclosure - Note 5 - Intangible Assets (Tables) Sheet http://www.bsquare.com/20210930/role/statement-note-5-intangible-assets-tables Note 5 - Intangible Assets (Tables) Tables http://www.bsquare.com/20210930/role/statement-note-5-intangible-assets 24 false false R25.htm 024 - Disclosure - Note 6 - Leases (Tables) Sheet http://www.bsquare.com/20210930/role/statement-note-6-leases-tables Note 6 - Leases (Tables) Tables http://www.bsquare.com/20210930/role/statement-note-6-leases 25 false false R26.htm 025 - Disclosure - Note 7 - Shareholders' Equity (Tables) Sheet http://www.bsquare.com/20210930/role/statement-note-7-shareholders-equity-tables Note 7 - Shareholders' Equity (Tables) Tables http://www.bsquare.com/20210930/role/statement-note-7-shareholders-equity 26 false false R27.htm 026 - Disclosure - Note 9 - Information About Geographic Areas and Operating Segments (Tables) Sheet http://www.bsquare.com/20210930/role/statement-note-9-information-about-geographic-areas-and-operating-segments-tables Note 9 - Information About Geographic Areas and Operating Segments (Tables) Tables http://www.bsquare.com/20210930/role/statement-note-9-information-about-geographic-areas-and-operating-segments 27 false false R28.htm 027 - Disclosure - Note 10 - Significant Risk Concentrations (Tables) Sheet http://www.bsquare.com/20210930/role/statement-note-10-significant-risk-concentrations-tables Note 10 - Significant Risk Concentrations (Tables) Tables http://www.bsquare.com/20210930/role/statement-note-10-significant-risk-concentrations 28 false false R29.htm 028 - Disclosure - Note 11 - Paycheck Protection Program (PPP) Loan (Tables) Sheet http://www.bsquare.com/20210930/role/statement-note-11-paycheck-protection-program-ppp-loan-tables Note 11 - Paycheck Protection Program (PPP) Loan (Tables) Tables http://www.bsquare.com/20210930/role/statement-note-11-paycheck-protection-program-ppp-loan 29 false false R30.htm 029 - Disclosure - Note 12 - Revision of Prior Period Financial Statements (Tables) Sheet http://www.bsquare.com/20210930/role/statement-note-12-revision-of-prior-period-financial-statements-tables Note 12 - Revision of Prior Period Financial Statements (Tables) Tables http://www.bsquare.com/20210930/role/statement-note-12-revision-of-prior-period-financial-statements 30 false false R31.htm 030 - Disclosure - Note 1 - Description of Business and Summary of Significant Accounting Policies - Potentially Dilutive Shares Excluded From Calculation of Diluted Net Loss Per Share (Details) Sheet http://www.bsquare.com/20210930/role/statement-note-1-description-of-business-and-summary-of-significant-accounting-policies-potentially-dilutive-shares-excluded-from-calculation-of-diluted-net-loss-per-share-details Note 1 - Description of Business and Summary of Significant Accounting Policies - Potentially Dilutive Shares Excluded From Calculation of Diluted Net Loss Per Share (Details) Details 31 false false R32.htm 031 - Disclosure - Note 2 - Revenue Recognition (Details Textual) Sheet http://www.bsquare.com/20210930/role/statement-note-2-revenue-recognition-details-textual Note 2 - Revenue Recognition (Details Textual) Details http://www.bsquare.com/20210930/role/statement-note-2-revenue-recognition-tables 32 false false R33.htm 032 - Disclosure - Note 2 - Revenue Recognition - Disaggregation of Revenue (Details) Sheet http://www.bsquare.com/20210930/role/statement-note-2-revenue-recognition-disaggregation-of-revenue-details Note 2 - Revenue Recognition - Disaggregation of Revenue (Details) Details 33 false false R34.htm 033 - Disclosure - Note 2 - Revenue Recognition - Significant Changes in Contract Assets and Deferred Revenue (Details) Sheet http://www.bsquare.com/20210930/role/statement-note-2-revenue-recognition-significant-changes-in-contract-assets-and-deferred-revenue-details Note 2 - Revenue Recognition - Significant Changes in Contract Assets and Deferred Revenue (Details) Details 34 false false R35.htm 035 - Disclosure - Note 2 - Revenue Recognition - Transaction Price Allocated to the Remaining Performance Obligations 2 (Details) Sheet http://www.bsquare.com/20210930/role/statement-note-2-revenue-recognition-transaction-price-allocated-to-the-remaining-performance-obligations-2-details Note 2 - Revenue Recognition - Transaction Price Allocated to the Remaining Performance Obligations 2 (Details) Details 35 false false R36.htm 036 - Disclosure - Note 2 - Revenue Recognition - Transaction Price Allocated to the Remaining Performance Obligations (Details) (Parentheticals) Sheet http://www.bsquare.com/20210930/role/statement-note-2-revenue-recognition-transaction-price-allocated-to-the-remaining-performance-obligations-details-parentheticals Note 2 - Revenue Recognition - Transaction Price Allocated to the Remaining Performance Obligations (Details) (Parentheticals) Details 36 false false R37.htm 037 - Disclosure - Note 3 - Cash, Cash Equivalents and Restricted Cash - Schedule of Cash and Cash Equivalents (Details) Sheet http://www.bsquare.com/20210930/role/statement-note-3-cash-cash-equivalents-and-restricted-cash-schedule-of-cash-and-cash-equivalents-details Note 3 - Cash, Cash Equivalents and Restricted Cash - Schedule of Cash and Cash Equivalents (Details) Details 37 false false R38.htm 038 - Disclosure - Note 4 - Fair Value Measurements - Assets Measured at Fair Value on Recurring Basis (Details) Sheet http://www.bsquare.com/20210930/role/statement-note-4-fair-value-measurements-assets-measured-at-fair-value-on-recurring-basis-details Note 4 - Fair Value Measurements - Assets Measured at Fair Value on Recurring Basis (Details) Details 38 false false R39.htm 039 - Disclosure - Note 5 - Intangible Assets (Details Textual) Sheet http://www.bsquare.com/20210930/role/statement-note-5-intangible-assets-details-textual Note 5 - Intangible Assets (Details Textual) Details http://www.bsquare.com/20210930/role/statement-note-5-intangible-assets-tables 39 false false R40.htm 040 - Disclosure - Note 5 - Intangible Assets - Intangible Assets (Details) Sheet http://www.bsquare.com/20210930/role/statement-note-5-intangible-assets-intangible-assets-details Note 5 - Intangible Assets - Intangible Assets (Details) Details 40 false false R41.htm 041 - Disclosure - Note 6 - Leases (Details Textual) Sheet http://www.bsquare.com/20210930/role/statement-note-6-leases-details-textual Note 6 - Leases (Details Textual) Details http://www.bsquare.com/20210930/role/statement-note-6-leases-tables 41 false false R42.htm 042 - Disclosure - Note 6 - Leases - Components of Lease Expense and Supplemental Cash Flow Information (Details) Sheet http://www.bsquare.com/20210930/role/statement-note-6-leases-components-of-lease-expense-and-supplemental-cash-flow-information-details Note 6 - Leases - Components of Lease Expense and Supplemental Cash Flow Information (Details) Details 42 false false R43.htm 043 - Disclosure - Note 6 - Leases - Supplemental Balance Sheet Information (Details) Sheet http://www.bsquare.com/20210930/role/statement-note-6-leases-supplemental-balance-sheet-information-details Note 6 - Leases - Supplemental Balance Sheet Information (Details) Details 43 false false R44.htm 044 - Disclosure - Note 6 - Leases - Amounts Obligated to Pay, by Maturity, Under Operating Leases Liabilities (Details) Sheet http://www.bsquare.com/20210930/role/statement-note-6-leases-amounts-obligated-to-pay-by-maturity-under-operating-leases-liabilities-details Note 6 - Leases - Amounts Obligated to Pay, by Maturity, Under Operating Leases Liabilities (Details) Details 44 false false R45.htm 045 - Disclosure - Note 7 - Shareholders' Equity (Details Textual) Sheet http://www.bsquare.com/20210930/role/statement-note-7-shareholders-equity-details-textual Note 7 - Shareholders' Equity (Details Textual) Details http://www.bsquare.com/20210930/role/statement-note-7-shareholders-equity-tables 45 false false R46.htm 046 - Disclosure - Note 7 - Shareholders' Equity - Weighted Average Assumptions of Stock Options (Details) Sheet http://www.bsquare.com/20210930/role/statement-note-7-shareholders-equity-weighted-average-assumptions-of-stock-options-details Note 7 - Shareholders' Equity - Weighted Average Assumptions of Stock Options (Details) Details 46 false false R47.htm 047 - Disclosure - Note 7 - Shareholders' Equity - Stock-based Compensation Expense (Details) Sheet http://www.bsquare.com/20210930/role/statement-note-7-shareholders-equity-stockbased-compensation-expense-details Note 7 - Shareholders' Equity - Stock-based Compensation Expense (Details) Details 47 false false R48.htm 048 - Disclosure - Note 7 - Shareholders' Equity - Stock Option Activity (Details) Sheet http://www.bsquare.com/20210930/role/statement-note-7-shareholders-equity-stock-option-activity-details Note 7 - Shareholders' Equity - Stock Option Activity (Details) Details 48 false false R49.htm 049 - Disclosure - Note 7 - Shareholders' Equity - Summary of Certain Additional Information about Stock Options (Details) Sheet http://www.bsquare.com/20210930/role/statement-note-7-shareholders-equity-summary-of-certain-additional-information-about-stock-options-details Note 7 - Shareholders' Equity - Summary of Certain Additional Information about Stock Options (Details) Details 49 false false R50.htm 050 - Disclosure - Note 7 - Shareholders' Equity - Restricted Stock Unit Activity (Details) Sheet http://www.bsquare.com/20210930/role/statement-note-7-shareholders-equity-restricted-stock-unit-activity-details Note 7 - Shareholders' Equity - Restricted Stock Unit Activity (Details) Details 50 false false R51.htm 051 - Disclosure - Note 7 - Shareholders' Equity - Common Stock Reserved for Future Issuance (Details) Sheet http://www.bsquare.com/20210930/role/statement-note-7-shareholders-equity-common-stock-reserved-for-future-issuance-details Note 7 - Shareholders' Equity - Common Stock Reserved for Future Issuance (Details) Details 51 false false R52.htm 052 - Disclosure - Note 9 - Information About Geographic Areas and Operating Segments (Details Textual) Sheet http://www.bsquare.com/20210930/role/statement-note-9-information-about-geographic-areas-and-operating-segments-details-textual Note 9 - Information About Geographic Areas and Operating Segments (Details Textual) Details http://www.bsquare.com/20210930/role/statement-note-9-information-about-geographic-areas-and-operating-segments-tables 52 false false R53.htm 053 - Disclosure - Note 9 - Information About Geographic Areas and Operating Segments - Profit and Loss Information (Details) Sheet http://www.bsquare.com/20210930/role/statement-note-9-information-about-geographic-areas-and-operating-segments-profit-and-loss-information-details Note 9 - Information About Geographic Areas and Operating Segments - Profit and Loss Information (Details) Details 53 false false R54.htm 054 - Disclosure - Note 9 - Information About Geographic Areas and Operating Segments - Revenue and Long-lived Assets by Geographic Area (Details) Sheet http://www.bsquare.com/20210930/role/statement-note-9-information-about-geographic-areas-and-operating-segments-revenue-and-longlived-assets-by-geographic-area-details Note 9 - Information About Geographic Areas and Operating Segments - Revenue and Long-lived Assets by Geographic Area (Details) Details 54 false false R55.htm 055 - Disclosure - Note 10 - Significant Risk Concentrations (Details Textual) Sheet http://www.bsquare.com/20210930/role/statement-note-10-significant-risk-concentrations-details-textual Note 10 - Significant Risk Concentrations (Details Textual) Details http://www.bsquare.com/20210930/role/statement-note-10-significant-risk-concentrations-tables 55 false false R56.htm 056 - Disclosure - Note 10 - Significant Risk Concentrations - Rebate Credits (Details) Sheet http://www.bsquare.com/20210930/role/statement-note-10-significant-risk-concentrations-rebate-credits-details Note 10 - Significant Risk Concentrations - Rebate Credits (Details) Details 56 false false R57.htm 057 - Disclosure - Note 11 - Paycheck Protection Program (PPP) Loan (Details Textual) Sheet http://www.bsquare.com/20210930/role/statement-note-11-paycheck-protection-program-ppp-loan-details-textual Note 11 - Paycheck Protection Program (PPP) Loan (Details Textual) Details http://www.bsquare.com/20210930/role/statement-note-11-paycheck-protection-program-ppp-loan-tables 57 false false R58.htm 058 - Disclosure - Note 11 - Paycheck Protection Program (PPP) Loan - PPP Loan Balance (Details) Sheet http://www.bsquare.com/20210930/role/statement-note-11-paycheck-protection-program-ppp-loan-ppp-loan-balance-details Note 11 - Paycheck Protection Program (PPP) Loan - PPP Loan Balance (Details) Details http://www.bsquare.com/20210930/role/statement-note-11-paycheck-protection-program-ppp-loan-tables 58 false false R59.htm 059 - Disclosure - Note 12 - Revision of Prior Period Financial Statements (Details Textual) Sheet http://www.bsquare.com/20210930/role/statement-note-12-revision-of-prior-period-financial-statements-details-textual Note 12 - Revision of Prior Period Financial Statements (Details Textual) Details http://www.bsquare.com/20210930/role/statement-note-12-revision-of-prior-period-financial-statements-tables 59 false false R60.htm 060 - Disclosure - Note 12 - Revision of Prior Period Financial Statements - Error Correction and Prior Period Adjustments (Details) Sheet http://www.bsquare.com/20210930/role/statement-note-12-revision-of-prior-period-financial-statements-error-correction-and-prior-period-adjustments-details Note 12 - Revision of Prior Period Financial Statements - Error Correction and Prior Period Adjustments (Details) Details 60 false false All Reports Book All Reports bsqr20210930_10q.htm bsqr-20210930.xsd bsqr-20210930_cal.xml bsqr-20210930_def.xml bsqr-20210930_lab.xml bsqr-20210930_pre.xml ex_286598.htm ex_286599.htm ex_286600.htm ex_286601.htm logo.jpg http://fasb.org/us-gaap/2021-01-31 http://fasb.org/srt/2021-01-31 http://xbrl.sec.gov/dei/2021 true true