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Note 7 - Agreements and Commitments (Tables) | 6 Months Ended
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Jun. 30, 2023
Notes Tables |
Schedule of Product Warranty Liability [Table Text Block] |
|  | June 30, 2023 |  |  | December 31, 2022 |
Balance at January 1 |  | $ | 898,072 |  |  | $ | 962,313 |
Warranty costs charged to cost of goods sold |  |  | 53,274 |  |  |  | 86,256 |
Utilization charges against reserve |  |  | (277,651 | ) |  |  | (93,653 | )
Foreign currency effect |  |  | 14,254 |  |  |  | (56,844 | )
Balance at the end of the period |  | $ | 687,949 |  |  | $ | 898,072 |

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- Definition Tabular disclosure of the changes in the guarantor's aggregate product warranty liability, including the beginning balance of the aggregate product warranty liability, the aggregate reductions in that liability for payments made (in cash or in kind) under the warranty, the aggregate changes in the liability for accruals related to product warranties issued during the reporting period, the aggregate changes in the liability for accruals related to preexisting warranties (including adjustments related to changes in estimates), and the ending balance of the aggregate product warranty liability. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 460 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 8 -Subparagraph (c) -Publisher FASB -URI https://asc.fasb.org//1943274/2147482425/460-10-50-8 + Details
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- References No definition available. + Details
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