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Note 11 - Notes Payable and Long-term Debt (Tables) | 3 Months Ended
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Mar. 31, 2024
Notes Tables |
Schedule of Debt [Table Text Block] |
|  | March 31, 2024 |  |  | December 31, 2023 |
Revolving line of credit with a China bank up to $25.37 million with interest from 4.35% to 4.57%, maturing May 24, 2024 |  | $ | 11,444 |  |  | $ | 12,608 |
Credit facility with a China bank up to $28.19 million with interest of 4.35%, maturing June 6, 2027 |  |  | 12,685 |  |  |  | 10,589 |
Total |  |  | 24,129 |  |  |  | 23,197 |
Less current portion |  |  | (24,129 | ) |  |  | (23,197 | )
Non-current portion |  | $ | — |  |  | $ | — |
Bank Acceptance Notes Payable |  | March 31, 2024 |  |  | December 31, 2023 |
Bank acceptance notes issued to vendors with a zero percent interest rate |  |  | $ 10,712 |  |  |  | $ 15,482 |
Schedule of Maturities of Long-Term Debt [Table Text Block] |
Within one year |  | $ | 24,129 |
Beyond one year |  |  | — |
Total outstanding |  | $ | 24,129 |

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