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Note 3 - Restructuring Costs (Details Textual)			3 Months Ended			9 Months Ended
	May 10, 2022 USD ($)	May 10, 2022 DKK (kr)	Sep. 30, 2022 USD ($)	Jun. 30, 2022 USD ($)	Sep. 30, 2021 USD ($)	Sep. 30, 2022 USD ($)	Sep. 30, 2021 USD ($)	Mar. 31, 2022 USD ($)	Dec. 31, 2021 USD ($)	Dec. 31, 2020 USD ($)
Restructuring Charges, Total			$ (1,964)		$ 0	$ 1,786,863	$ 0
Restructuring Reserve, Ending Balance			23,848		$ 0	23,848	$ 0		$ 0	$ 0
Capex Commitments [Member]
Other Commitment, Total								$ 9,000,000
CEO Separation [Member]
Restructuring Charges, Total						230,538
Employee Severance [Member]
Restructuring Charges, Total						159,841
Facility Closing [Member]
Restructuring Charges, Total						278,391
Capex Commitments [Member]
Restructuring Charges, Total						697,213
Restructuring Program [Member]
Restructuring Charges, Total				$ 1,786,863
Impairment, Long-Lived Asset, Held-for-Use, Total				243,075
Inventory Write-down				177,804
Restructuring and Related Cost, Incurred Cost						1,763,015
Restructuring and Related Cost, Expected Cost Remaining			23,848			23,848
Restructuring Program [Member] | CEO Separation [Member]
Restructuring Charges, Total	$ 230,538	kr 1,605,000
Restructuring Program [Member] | Employee Severance [Member]
Restructuring Charges, Total				$ 159,841
Restructuring and Related Cost, Percentage Reduction				25.00%
Restructuring Program [Member] | Facility Closing [Member]
Restructuring Charges, Total				$ 278,391
Restructuring Program [Member] | Capex Commitments [Member]
Restructuring Reserve, Ending Balance			697,213	$ 668,606		$ 697,213
Restructuring Reserve, Accrual Adjustment			$ 28,607

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- Definition

The percentage of reduction in costs.

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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).

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Amount of loss from reductions in inventory due to subsequent measurement adjustments, including, but not limited to, physical deterioration, obsolescence, or changes in price levels.

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Minimum amount of other commitment not otherwise specified in the taxonomy. Excludes commitments explicitly modeled in the taxonomy, including but not limited to, long-term and short-term purchase commitments, recorded and unrecorded purchase obligations, supply commitments, registration payment arrangements, leases, debt, product warranties, guarantees, environmental remediation obligations, and pensions.

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Amount of expected cost remaining for the specified restructuring cost.

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Discloses the amount charged against the accrued restructuring reserves, or earnings if not previously accrued, during the period for the specified type of restructuring cost.

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Amount of expenses associated with exit or disposal activities pursuant to an authorized plan. Excludes expenses related to a discontinued operation or an asset retirement obligation.

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Carrying amount (including both current and noncurrent portions of the accrual) as of the balance sheet date pertaining to a specified type of cost associated with exit from or disposal of business activities or restructuring pursuant to a duly authorized plan.

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Amount of expense (reversal of expense) which increases (decreases) the restructuring reserve from an adjustment to a previously accrued restructuring liability.

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