Percentage points added to the reference rate to compute the variable rate on the debt instrument.

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- Definition

Face (par) amount of debt instrument at time of issuance.

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- Definition

Effective interest rate for the funds borrowed under the debt agreement considering interest compounding and original issue discount or premium.

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Period of time between issuance and maturity of debt instrument, in PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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No definition available.

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Amount, after accumulated amortization, of debt issuance costs related to line of credit arrangements. Includes, but is not limited to, legal, accounting, underwriting, printing, and registration costs.

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Amount, after accumulated amortization, of debt issuance costs. Includes, but is not limited to, legal, accounting, underwriting, printing, and registration costs.

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Amount of cash paid for interest, including, but not limited to, capitalized interest and payment to settle zero-coupon bond attributable to accreted interest of debt discount and debt instrument with insignificant coupon interest rate in relation to effective interest rate of borrowing attributable to accreted interest of debt discount; classified as operating and investing activities.

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Maximum borrowing capacity under the credit facility without consideration of any current restrictions on the amount that could be borrowed or the amounts currently outstanding under the facility.

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The cash outflow for debt initially having maturity due after one year or beyond the normal operating cycle, if longer.

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Note 6 - Revolving Line of Credit and Long-term Debt (Details Textual) - Senior Secured Credit Facility [Member] - USD ($) $ in Millions		12 Months Ended
	Jun. 22, 2020	Dec. 31, 2021	Dec. 31, 2020
Debt Instrument, Face Amount	$ 65.0
Debt Issuance Costs, Net	1.8
Debt Instrument, Interest Rate, Effective Percentage		4.20%
Term Loan [Member]
Debt Instrument, Face Amount	$ 40.0
Debt Instrument, Term	5 years
Repayments of Long-Term Debt		$ 1.0	$ 1.0
Interest Paid, Including Capitalized Interest, Operating and Investing Activities, Total		$ 0.9
Term Loan [Member] \| Base Rate [Member] \| Minimum [Member]
Debt Instrument, Basis Spread on Variable Rate	1.25%
Term Loan [Member] \| Base Rate [Member] \| Maximum [Member]
Debt Instrument, Basis Spread on Variable Rate	1.75%
Term Loan [Member] \| Eurodollar [Member] \| Minimum [Member]
Debt Instrument, Basis Spread on Variable Rate	2.25%
Term Loan [Member] \| Eurodollar [Member] \| Maximum [Member]
Debt Instrument, Basis Spread on Variable Rate	2.75%
Term Loan [Member] \| Fed Funds Effective Rate Overnight Index Swap Rate [Member]
Debt Instrument, Basis Spread on Variable Rate	0.50%
Interest Paid, Including Capitalized Interest, Operating and Investing Activities, Total			$ 0.9
Revolving Credit Facility [Member]
Line of Credit Facility, Maximum Borrowing Capacity	$ 25.0
Revolving Credit Facility [Member] \| Other Assets [Member]
Debt Issuance Costs, Line of Credit Arrangements, Net	$ 0.7