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Note 3 - Restructuring Costs (Details Textual) |  | 3 Months Ended | 6 Months Ended | 12 Months Ended |
--- | --- | --- | --- | --- | ---
May 10, 2022 USD ($) | May 10, 2022 DKK (kr) | Jun. 30, 2022 USD ($) | Dec. 31, 2022 USD ($) | Dec. 31, 2023 USD ($) | Dec. 31, 2022 USD ($) | Mar. 31, 2022 USD ($)
Restructuring Charges, Total |  |  |  |  | $ 0 | $ 1,893,166 |
Capex Commitments [Member] |  |  |  |  |  |  |
Other Commitment, Total |  |  |  |  |  |  | $ 10,300,000
CEO Separation [Member] |  |  |  |  |  |  |
Restructuring Charges, Total |  |  |  |  | 0 | 228,975 |
Employee Severance [Member] |  |  |  |  |  |  |
Restructuring Charges, Total |  |  |  |  | 0 | 158,199 |
Facility Closing [Member] |  |  |  |  |  |  |
Restructuring Charges, Total |  |  |  |  | 0 | 275,445 |
Capex Commitments [Member] |  |  |  |  |  |  |
Restructuring Charges, Total |  |  |  |  | $ 0 | 813,994 |
Restructuring Program [Member] |  |  |  |  |  |  |
Restructuring Charges, Total |  |  | $ 1,893,166 |  |  |  |
Impairment, Long-Lived Asset, Held-for-Use, Total |  |  | 240,576 |  |  |  |
Inventory Write-down |  |  | 175,977 |  |  |  |
Restructuring Program [Member] | CEO Separation [Member] |  |  |  |  |  |  |
Restructuring Charges, Total | $ 228,975 | kr 1,605,000 |  |  |  |  |
Restructuring Program [Member] | Employee Severance [Member] |  |  |  |  |  |  |
Restructuring Charges, Total |  |  | $ 158,199 |  |  |  |
Restructuring and Related Cost, Percentage Reduction |  |  | 25.00% |  |  |  |
Restructuring Program [Member] | Facility Closing [Member] |  |  |  |  |  |  |
Restructuring Charges, Total |  |  | $ 275,445 |  |  |  |
Restructuring Program [Member] | Capex Commitments [Member] |  |  |  |  |  |  |
Restructuring Reserve, Ending Balance |  |  | $ 668,606 | $ 813,994 |  | $ 813,994 |
Restructuring Reserve, Accrual Adjustment |  |  |  | $ 145,388 |  |  |

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- Definition The aggregate amount of write-downs for impairments recognized during the period for long lived assets held for use (including those held for disposal by means other than sale). + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Section 45 -Paragraph 28 -Subparagraph (b) -SubTopic 10 -Topic 230 -Publisher FASB -URI https://asc.fasb.org//1943274/2147482740/230-10-45-28 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 360 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (b) -Publisher FASB -URI https://asc.fasb.org//1943274/2147482099/360-10-50-2 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 360 -SubTopic 10 -Section 45 -Paragraph 4 -Publisher FASB -URI https://asc.fasb.org//1943274/2147482130/360-10-45-4 + Details
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