Note 6 - China Joint Venture - Schedule of Assets and Liabilities (Details) - USD ($) $ in Thousands |
Jun. 30, 2026 |
Dec. 31, 2025 |
|---|---|---|
| Cash and cash equivalents | $ 27,617 | $ 31,740 |
| Trade accounts receivable | 13,614 | 16,776 |
| Inventories | 10,747 | 8,602 |
| Prepaid expenses and other current assets | 1,177 | 1,353 |
| Property and equipment, net | 2,110 | 2,371 |
| Accounts payable | 2,190 | 3,058 |
| Accrued expenses and other current liabilities | 6,692 | 8,214 |
| Corporate Joint Venture [Member] | ||
| Cash and cash equivalents | 175 | 383 |
| Trade accounts receivable | 726 | 213 |
| Inventories | 26 | 31 |
| Prepaid expenses and other current assets | 8 | 12 |
| Property and equipment, net | 213 | 225 |
| Accounts payable | 0 | 186 |
| Accrued expenses and other current liabilities | $ 93 | $ 63 |
| X | ||||||||||
- Definition Amount of expenses incurred but not yet paid nor invoiced, and liabilities classified as other. No definition available.
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| X | ||||||||||
- Definition Carrying value as of the balance sheet date of liabilities incurred (and for which invoices have typically been received) and payable to vendors for goods and services received that are used in an entity's business. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer). Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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| X | ||||||||||
- Definition Amount, after allowance for credit loss, of right to consideration from customer for product sold and service rendered in normal course of business, classified as current. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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| X | ||||||||||
- Definition Amount of cash and cash equivalent. Cash includes, but is not limited to, currency on hand, demand deposit with financial institution, and account with general characteristic of demand deposit. Cash equivalent includes, but is not limited to, short-term, highly liquid investment that is both readily convertible to known amount of cash and so near maturity that it presents insignificant risk of change in value because of change in interest rate. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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| X | ||||||||||
- Definition Amount after valuation and LIFO reserves of inventory expected to be sold, or consumed within one year or operating cycle, if longer. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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| X | ||||||||||
- Definition Amount of asset related to consideration paid in advance for costs that provide economic benefits in future periods, and amount of other assets that are expected to be realized or consumed within one year or the normal operating cycle, if longer. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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| X | ||||||||||
- Definition Amount, after accumulated depreciation, depletion, and amortization, of property, plant, and equipment. Includes, but is not limited to, land and land improvement; building; machinery and equipment; furniture and fixture; and work of art, historical treasure, or similar asset classified as collection. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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| X | ||||||||||
- Details
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