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Note 11 - Notes Payable and Long-term Debt (Tables) | 3 Months Ended
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Mar. 31, 2022
Notes Tables |
Schedule of Debt [Table Text Block] |
|  | March 31, 2022 |  |  | December 31, 2021 |
Revolving line of credit with a U.S. bank up to $20,000 with interest at SOFR plus 1.56% , maturing April 15, 2023 |  | $ | 19,551 |  |  | $ | 14,373 |
Notes payable to a finance company due in monthly installments with 3.1% interest, maturing January 21, 2022 |  |  | — |  |  |  | 170 |
Revolving line of credit with a China bank up to $25,449 with interest from 2.8% to 4.57%, maturing May 24, 2024 |  |  | 19,133 |  |  |  | 19,595 |
Credit facility with a China bank up to $14,125 with interest of from 2.6% to 4.5%, maturing January 5, 2024 |  |  | 10,988 |  |  |  | 13,044 |
Credit facility with a China bank up to $7,167 with interest of 5.7%, maturing on June 27, 2022 |  |  | 7,561 |  |  |  | 7,529 |
Sub-total |  |  | 57,233 |  |  |  | 54,711 |
Less debt issuance costs, net |  |  | (17 | ) |  |  | (22 | )
Grand total |  |  | 57,233 |  |  |  | 54,689 |
Less current portion |  |  | (52,233 | ) |  |  | (49,689 | )
Non-current portion |  | $ | 5,000 |  |  | $ | 5,000 |
​ |  | ​ |  |  | ​ |
Bank Acceptance Notes Payable |  | ​ |  |  | ​ |
Bank acceptance notes issued to vendors with a zero percent interest rate |  | $ | 9,955 |  |  | $ | 8,198 |
Schedule of Maturities of Long-Term Debt [Table Text Block] |
Within one year |  | $ | 52,233 |
Beyond one year |  |  | 5,000 |
Total outstanding |  | $ | 57,233 |

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- Definition Tabular disclosure of information pertaining to short-term and long-debt instruments or arrangements, including but not limited to identification of terms, features, collateral requirements and other information necessary to a fair presentation. + References No definition available. + Details
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- Definition Tabular disclosure of maturity and sinking fund requirement for long-term debt. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 470 -SubTopic 10 -Section 50 -Paragraph 1 -URI https://asc.fasb.org/extlink&oid=123465755&loc=d3e1835-112601 + Details
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