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v3.23.3

Note 1 - Summary of Significant Accounting Policies (Tables) | 9 Months Ended
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Sep. 30, 2023
Notes Tables |
Share-Based Payment Arrangement, Option, Activity [Table Text Block] |
|  | Shares |  |  | Weighted- Average Exercise Price Per Share |  |  | Weighted- Average Remaining Contractual Term (in years) |  |  | Aggregate Intrinsic Value (in thousands) |
Outstanding - January 1, 2023 |  |  | 452,700 |  |  | $ | 5.97 |  |  |  |  |  |  |  |  |
Granted |  |  | 54,000 |  |  |  | 9.63 |  |  |  |  |  |  |  |  |
Exercised |  |  | (38,244 | ) |  |  | 4.09 |  |  |  |  |  |  |  |  |
Cancelled |  |  | (43,956 | ) |  |  | 7.50 |  |  |  |  |  |  |  |  |
Outstanding - September 30, 2023 |  |  | 424,500 |  |  | $ | 6.45 |  |  |  | 6.48 |  |  | $ | 1,375 |
Exercisable - September 30, 2023 |  |  | 242,800 |  |  | $ | 4.44 |  |  |  | 5.16 |  |  | $ | 1,197 |
Share-Based Payment Arrangement, Restricted Stock Unit, Activity [Table Text Block] |
|  | Shares |  |  | Weighted- Average Grant Date Fair Value |  |  | Weighted- Average Remaining Contractual Term (in years) |  |  | Aggregate Fair Value (in thousands) |
Outstanding - January 1, 2023 |  |  | 21,000 |  |  | $ | 12.00 |  |  |  |  |  |  |  |  |
Granted |  |  | 18,000 |  |  |  | 9.37 |  |  |  |  |  |  |  |  |
Vested |  |  | (10,500 | ) |  |  | 12.00 |  |  |  |  |  |  |  |  |
Forfeited |  |  | (6,000 | ) |  |  | 10.93 |  |  |  |  |  |  |  |  |
Outstanding - September 30, 2023 |  |  | 22,500 |  |  | $ | 10.18 |  |  |  | 9.23 |  |  | $ | 208 |
Schedule of Inventory, Current [Table Text Block] |
|  | September 30, |  |  | December 31, |
|  | 2023 |  |  | 2022 |
Raw Materials |  | $ | 20,551 |  |  | $ | 21,673 |
Work in Process |  |  | 1,220 |  |  |  | 1,238 |
Finished Goods |  |  | 828 |  |  |  | 671 |
Reserves |  |  | (1,132 | ) |  |  | (1,144 | )
Total |  | $ | 21,467 |  |  | $ | 22,438 |
Schedule of Finite-Lived Intangible Assets [Table Text Block] |
|  | Customer Relationships |  |  | Patents |  |  | Total |
Balance at January 1, 2022 |  | $ | 360 |  |  | $ | 141 |  |  | $ | 501 |
Additions |  |  | - |  |  |  | 71 |  |  |  | 71 |
Amortization |  |  | 144 |  |  |  | 6 |  |  |  | 150 |
Balance at December 31, 2022 |  |  | 216 |  |  |  | 206 |  |  |  | 422 |
Amortization |  |  | 108 |  |  |  | 11 |  |  |  | 119 |
Balance at September 30, 2023 |  | $ | 108 |  |  | $ | 195 |  |  | $ | 303 |
Schedule of Finite-Lived Intangible Assets, Future Amortization Expense [Table Text Block] |
Year |  | Amount |
Remainder of 2023 |  | $ | 40 |
2024 |  |  | 87 |
2025 |  |  | 14 |
2026 |  |  | 14 |
Thereafter |  |  | 38 |
Total |  | $ | 193 |
Schedule of Error Corrections and Prior Period Adjustments [Table Text Block] |
Condensed Consolidated Statements of Cash Flows |  |  |  |  |  |  |  |  |
|  | September 30, 2022 |
CASH FLOWS FROM FINANCING ACTIVITIES |  | As reported |  |  | Adjustment |  |  | As revised |
Net Proceeds from Line of Credit |  |  | 857 |  |  |  | (857 | ) |  |  | - |
Proceeds from Line of Credit |  |  | - |  |  |  | 88,673 |  |  |  | 88,673 |
Payments to Line of Credit |  |  | - |  |  |  | (87,816 | ) |  |  | (87,816 | )
Principal Payments on Long-Term Debt |  |  | - |  |  |  | - |  |  |  | - |
Principal Payments on Financing Leases |  |  | (326 | ) |  |  | - |  |  |  | (326 | )
Stock Option Exercises |  |  | 51 |  |  |  | - |  |  |  | 51 |
Net Cash Provided by Financing Activities |  |  | 582 |  |  |  | - |  |  |  | 582 |

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