Document And Entity Information - USD ($) |
12 Months Ended | ||
|---|---|---|---|
Dec. 31, 2025 |
Jun. 10, 2026 |
Jun. 30, 2025 |
|
| Document Information [Line Items] | |||
| Document Type | 10-K/A | ||
| Document Annual Report | true | ||
| Document Period End Date | Dec. 31, 2025 | ||
| Document Transition Report | false | ||
| Entity File Number | 1-13463 | ||
| Entity Registrant Name | BIO KEY INTERNATIONAL INC | ||
| Entity Incorporation, State or Country Code | DE | ||
| Entity Tax Identification Number | 41-1741861 | ||
| Entity Address, Address Line One | 101 CRAWFORDS CORNER ROAD, SUITE 4116 | ||
| Entity Address, City or Town | HOLMDEL | ||
| Entity Address, State or Province | NJ | ||
| Entity Address, Postal Zip Code | 07753 | ||
| City Area Code | 732 | ||
| Local Phone Number | 359-1100 | ||
| Title of 12(b) Security | Common Stock, $0.0001 par value per share | ||
| Trading Symbol | BKYI | ||
| Security Exchange Name | NASDAQ | ||
| Entity Well-known Seasoned Issuer | No | ||
| Entity Voluntary Filers | No | ||
| Entity Current Reporting Status | Yes | ||
| Entity Interactive Data Current | Yes | ||
| Entity Filer Category | Non-accelerated Filer | ||
| Entity Small Business | true | ||
| Entity Emerging Growth Company | false | ||
| ICFR Auditor Attestation Flag | false | ||
| Document Financial Statement Error Correction [Flag] | false | ||
| Entity Shell Company | false | ||
| Entity Public Float | $ 4,934,779 | ||
| Entity Common Stock, Shares Outstanding (in shares) | 1,085,360 | ||
| Amendment Description | This Amendment No. 1 (the “Amendment No. 1”) to the Annual Report on Form 10-K of BIO-key International, Inc. (the “Company”) for the year ended December 31, 2025, originally filed with the Securities and Exchange Commission on June 12, 2026, is being filed solely to replace the Report of Independent Registered Public Accounting Firm and the Consent of Independent Registered Public Accounting Firm. For ease of reference the Company is refiling the Annual Report on Form 10-K in its entirety. The Company is also including in this Amendment No. 1 currently dated certifications from its Chief Executive Officer and Chief Financial Officer as required by Sections 302 and 906 of the Sarbanes-Oxley Act of 2002 as Exhibits 31.1 and 31.2 and Exhibits 32.1 and 32.2, respectively. | ||
| Entity Central Index Key | 0001019034 | ||
| Current Fiscal Year End Date | --12-31 | ||
| Document Fiscal Year Focus | 2025 | ||
| Document Fiscal Period Focus | FY | ||
| Amendment Flag | true |