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Note L - Stock and Warrants (Tables) | 12 Months Ended
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Dec. 31, 2024
Notes Tables |
Schedule of Authorized Shares of Common Stock Reserved for Future Issuance [Table Text Block] |
|  | December 31, |
|  | 2024 |  |  | 2023 |
Outstanding awards under equity incentive plans |  |  | 7,789,658 |  |  |  | 8,023,142 |
Outstanding common stock warrants |  |  | 5,483,537 |  |  |  | 5,603,729 |
Possible future issuances under equity incentive plans |  |  | 5,383,165 |  |  |  | 1,728,885 |
Possible future issuances under employee stock purchase plan |  |  | 1,148,012 |  |  |  | 1,340,172 |
Total common shares reserved for future issuance |  |  | 19,804,372 |  |  |  | 16,695,928 |
Schedule of Common Stock Outstanding Roll Forward [Table Text Block] |
|  | Shares of |
|  | Common Stock |
Balance as of January 1, 2023 |  |  | 34,540,304 |
Common stock issued as compensation to third-parties |  |  | 44,791 |
Common stock issued as a result of stock warrants exercised |  |  | 110 |
Common stock issued as a result of stock options exercised |  |  | 7,500 |
Common stock repurchased as a result of the Stock Repurchase Program |  |  | (665,739 | )
Common stock issued in connection with the Merger (Note T) |  |  | 7,530,509 |
Common stock issued as a result of the Employee Stock Purchase Plan |  |  | 77,193 |
Balance as of December 31, 2023 |  |  | 41,534,668 |
Common stock issued in connection with the Public Offering (Note B) |  |  | 10,615,385 |
Common stock issued in connection with restricted stock units |  |  | 218,000 |
Common stock issued as compensation to third-parties |  |  | 92,988 |
Common stock issued in connection with vesting of performance-based awards |  |  | 547,945 |
Common stock issued as a result of stock options exercised |  |  | 469,563 |
Common stock issued as a result of the Employee Stock Purchase Plan |  |  | 192,160 |
Balance as of December 31, 2024 |  |  | 53,670,709 |

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