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Note 8 - Stockholders' Equity | 9 Months Ended
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Sep. 30, 2024
Notes to Financial Statements |
Equity [Text Block] | Note 8. Stockholders’ Equity Effective on April 21, 2023, the Company filed a Certificate of Change to the Articles of Incorporation to effect the Reverse Stock Split (see Note 1). All share and per share information in this Quarterly Report on Form 10-Q have been retroactively adjusted to reflect the Reverse Stock Split. The changes in condensed consolidated stockholders’ equity for the three and nine months ended September 30, 2024, and 2023, are as follows:
|  | Common |  |  | Common |  |  | Additional |  |  |  |  |  |  |  |  |  |  |  |  |
|  | Stock |  |  | Stock |  |  | Paid-In |  |  | Accumulated |  |  | Treasury |  |  |  |  |
|  | Shares |  |  | Amount |  |  | Capital |  |  | Deficit |  |  | Stock |  |  | Total |
Balance at December 31, 2023 |  |  | 3,867,082 |  |  | $ | 2,320 |  |  | $ | 48,602 |  |  | $ | (24,209 | ) |  | $ | (5,402 | ) |  | $ | 21,311 |
Common stock issued under restricted stock units |  |  | 4,710 |  |  |  | 3 |  |  |  | (3 | ) |  |  | — |  |  |  | — |  |  |  | — |
Share-based compensation expense-stock options |  |  | — |  |  |  | — |  |  |  | 55 |  |  |  | — |  |  |  | — |  |  |  | 55 |
Share-based compensation expense-restricted stock units |  |  | — |  |  |  | — |  |  |  | 121 |  |  |  | — |  |  |  | — |  |  |  | 121 |
Treasury shares |  |  | — |  |  |  | — |  |  |  | — |  |  |  | — |  |  |  | (651 | ) |  |  | (651 | )
Net income |  |  | — |  |  |  | — |  |  |  | — |  |  |  | 681 |  |  |  | — |  |  |  | 681 |
Balance at March 31, 2024 |  |  | 3,871,792 |  |  |  | 2,323 |  |  |  | 48,775 |  |  |  | (23,528 | ) |  |  | (6,053 | ) |  |  | 21,517 |
Common stock issued under restricted stock units |  |  | 6,006 |  |  |  | 4 |  |  |  | (4 | ) |  |  | — |  |  |  | — |  |  |  | — |
Share-based compensation expense-stock options |  |  | — |  |  |  | — |  |  |  | 77 |  |  |  | — |  |  |  | — |  |  |  | 77 |
Share-based compensation expense-restricted stock units |  |  | — |  |  |  | — |  |  |  | 148 |  |  |  | — |  |  |  | — |  |  |  | 148 |
Net income |  |  | — |  |  |  | — |  |  |  | — |  |  |  | 1,664 |  |  |  | — |  |  |  | 1,664 |
Balance at June 30, 2024 |  |  | 3,877,798 |  |  |  | 2,327 |  |  |  | 48,996 |  |  |  | (21,864 | ) |  |  | (6,053 | ) |  |  | 23,406 |
Common stock issued under restricted stock units |  |  | 21,327 |  |  |  | 12 |  |  |  | (12 | ) |  |  | — |  |  |  | — |  |  |  | — |
Common stock issued - exercised warrants |  |  | 6,018 |  |  |  | 4 |  |  |  | (4 | ) |  |  | — |  |  |  | — |  |  |  | — |
Share-based compensation expense-stock options |  |  | — |  |  |  | — |  |  |  | 78 |  |  |  | — |  |  |  | — |  |  |  | 78 |
Share-based compensation expense-restricted stock units |  |  | — |  |  |  | — |  |  |  | 146 |  |  |  | — |  |  |  | — |  |  |  | 146 |
Net income |  |  | — |  |  |  | — |  |  |  | — |  |  |  | 2,357 |  |  |  | — |  |  |  | 2,357 |
Balance at September 30, 2024 |  |  | 3,905,143 |  |  | $ | 2,343 |  |  | $ | 49,204 |  |  | $ | (19,507 | ) |  | $ | (6,053 | ) |  | $ | 25,987 |
|  | Common |  |  | Common |  |  | Additional |  |  |  |  |  |  |  |  |  |  |  |  |
|  | Stock |  |  | Stock |  |  | Paid-In |  |  | Accumulated |  |  | Treasury |  |  |  |  |
|  | Shares |  |  | Amount |  |  | Capital |  |  | Deficit |  |  | Stock |  |  | Total |
Balance at December 31, 2022 |  |  | 3,686,939 |  |  | $ | 2,212 |  |  | $ | 45,304 |  |  | $ | (21,979 | ) |  | $ | (5,402 | ) |  | $ | 20,135 |
Common stock issued |  |  | 858 |  |  |  | 1 |  |  |  | 14 |  |  |  | — |  |  |  | — |  |  |  | 15 |
Common stock issued under restricted stock units |  |  | 1,920 |  |  |  | 1 |  |  |  | (1 | ) |  |  | — |  |  |  | — |  |  |  | — |
Share-based compensation expense-stock options |  |  | — |  |  |  | — |  |  |  | 58 |  |  |  | — |  |  |  | — |  |  |  | 58 |
Share-based compensation expense-restricted stock units |  |  | — |  |  |  | — |  |  |  | 69 |  |  |  | — |  |  |  | — |  |  |  | 69 |
Net loss |  |  | — |  |  |  | — |  |  |  | — |  |  |  | (1,270 | ) |  |  | — |  |  |  | (1,270 | )
Balance at March 31, 2023 |  |  | 3,689,717 |  |  |  | 2,214 |  |  |  | 45,444 |  |  |  | (23,249 | ) |  |  | (5,402 | ) |  |  | 19,007 |
Common stock issued |  |  | 2,661 |  |  |  | 2 |  |  |  | 33 |  |  |  | — |  |  |  | — |  |  |  | 35 |
Common stock issued under restricted stock units |  |  | 1,920 |  |  |  | 1 |  |  |  | (1 | ) |  |  | — |  |  |  | — |  |  |  | — |
Share-based compensation expense-stock options |  |  | — |  |  |  | — |  |  |  | 61 |  |  |  | — |  |  |  | — |  |  |  | 61 |
Share-based compensation expense-restricted stock units |  |  | — |  |  |  | — |  |  |  | 63 |  |  |  | — |  |  |  | — |  |  |  | 63 |
Net loss |  |  | — |  |  |  | — |  |  |  | — |  |  |  | (1,340 | ) |  |  | — |  |  |  | (1,340 | )
Balance at June 30, 2023 |  |  | 3,694,298 |  |  |  | 2,217 |  |  |  | 45,600 |  |  |  | (24,589 | ) |  |  | (5,402 | ) |  |  | 17,826 |
Common stock issued |  |  | 1,254 |  |  |  | 1 |  |  |  | 12 |  |  |  | — |  |  |  | — |  |  |  | 13 |
Common stock issued under restricted stock units |  |  | 27,418 |  |  |  | 16 |  |  |  | (16 | ) |  |  | — |  |  |  | — |  |  |  | — |
Share-based compensation expense-stock options |  |  | — |  |  |  | — |  |  |  | 44 |  |  |  | — |  |  |  | — |  |  |  | 44 |
Share-based compensation expense-restricted stock units |  |  | — |  |  |  | — |  |  |  | 641 |  |  |  | — |  |  |  | — |  |  |  | 641 |
Net loss |  |  | — |  |  |  | — |  |  |  | — |  |  |  | 90 |  |  |  | — |  |  |  | 90 |
Balance at September 30, 2023 |  |  | 3,722,970 |  |  | $ | 2,234 |  |  | $ | 46,281 |  |  | $ | (24,499 | ) |  | $ | (5,402 | ) |  | $ | 18,614 |

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