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Note 4 - Net Sales (Tables) | 3 Months Ended
--- | ---
Mar. 31, 2024
Notes Tables |
Schedule of Accounts Receivables and Contract Assets [Table Text Block] |
|  | March 31, |  |  | December 31, |
|  | 2024 |  |  | 2023 |
Accounts receivable |  | $ | 93,737 |  |  | $ | 103,494 |
Current contract assets |  |  | 52,511 |  |  |  | 48,715 |
Current contract liabilities |  |  | 5,780 |  |  |  | 5,346 |

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