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Note 1 - Summary of Significant Accounting Policies (Tables) | 12 Months Ended
--- | ---
Dec. 31, 2022
Notes Tables |
Schedule of Inventory, Current [Table Text Block] |
|  | 2022 |  |  | 2021 |
Raw materials |  | $ | 21,673 |  |  | $ | 18,492 |
Work in process |  |  | 1,238 |  |  |  | 1,678 |
Finished goods |  |  | 671 |  |  |  | 562 |
Reserves |  |  | (1,144 | ) |  |  | (1,298 | )
Total |  | $ | 22,438 |  |  | $ | 19,434 |
Property, Plant and Equipment [Table Text Block] |
|  | (in years) |
Buildings |  |  |  | 39 |  |
Leasehold improvements |  |  | 3 | - | 15 |
Manufacturing equipment |  |  | 3 | - | 7 |
Office and other equipment |  |  | 3 | - | 7 |
|  | 2022 |  |  | 2021 |
Land |  | $ | 148 |  |  | $ | 148 |
Building and Leasehold Improvements |  |  | 5,289 |  |  |  | 4,083 |
Manufacturing Equipment |  |  | 19,128 |  |  |  | 18,892 |
Office and Other Equipment |  |  | 6,822 |  |  |  | 6,934 |
Accumulated Depreciation and Amortization |  |  | (24,979 | ) |  |  | (24,224 | )
Total Property and Equipment, Net |  | $ | 6,408 |  |  | $ | 5,833 |
Revenue from External Customers by Products and Services [Table Text Block] |
|  | 2022 |  |  | 2021 |
Medical |  | $ | 75,907 |  |  | $ | 63,047 |
Aerospace and Defense |  |  | 19,479 |  |  |  | 16,639 |
Industrial |  |  | 38,737 |  |  |  | 35,482 |
Total Net Sales |  | $ | 134,123 |  |  | $ | 115,168 |
Schedule of Long-lived Assets by Geographical Areas [Table Text Block] |
|  | United States |  |  | Mexico |  |  | China |  |  | Total |
December 31, 2022 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Property and Equipment, Net |  | $ | 5,109 |  |  | $ | 494 |  |  | $ | 805 |  |  | $ | 6,408 |
Operating Lease Assets |  | $ | 5,381 |  |  |  | 2,469 |  |  |  | - |  |  | $ | 7,850 |
Other Assets |  | $ | 422 |  |  |  | - |  |  |  | - |  |  | $ | 422 |
December 31, 2021 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Property and Equipment, Net |  | $ | 4,664 |  |  | $ | 454 |  |  | $ | 715 |  |  | $ | 5,833 |
Operating Lease Assets |  | $ | 5,287 |  |  |  | 2,800 |  |  |  | 896 |  |  | $ | 8,983 |
Other Assets |  | $ | 501 |  |  |  | - |  |  |  | - |  |  | $ | 501 |
Schedule of Error Corrections and Prior Period Adjustments [Table Text Block] |
Consolidated Statements of Cash Flows |  |  |  |  |  |  |  |  |  |  |  |
|  | December 31, 2021 |
CASH FLOWS FROM FINANCING ACTIVITIES |  | As reported |  |  | Adjustment |  |  | As revised |
Net Proceeds from Line of Credit |  |  | 5,688 |  |  |  | (5,688 | ) |  |  | - |
Proceeds from Line of Credit |  |  | - |  |  |  | 109,544 |  |  |  | 109,544 |
Payments to Line of Credit |  |  | - |  |  |  | (103,856 | ) |  |  | (103,856 | )
Principal Payments on Long-Term Debt |  |  | (1,128 | ) |  |  |  |  |  |  | (1,128 | )
Principal Payments on Financing Leases |  |  | (664 | ) |  |  |  |  |  |  | (664 | )
Stock Option Excercises |  |  | 35 |  |  |  |  |  |  |  | 35 |
Net Cash Provided By Financing Activities |  |  | 3,931 |  |  |  | - |  |  |  | 3,931 |

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