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

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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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The total amount of the contingent obligation under letters of credit outstanding as of the reporting date.

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The effective interest rate at the end of the reporting period.

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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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Amount of borrowing capacity currently available under the credit facility (current borrowing capacity less the amount of borrowings outstanding).

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The fee, expressed as a percentage of the line of credit facility, for available but unused credit capacity under the credit facility.

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Amount of long-term debt payable, sinking fund requirement, and other securities issued that are redeemable by holder at fixed or determinable price and date, maturing after fifth fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).

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Amount of long-term debt payable, sinking fund requirement, and other securities issued that are redeemable by holder at fixed or determinable price and date, maturing in fourth fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).

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Amount of long-term debt payable, sinking fund requirement, and other securities issued that are redeemable by holder at fixed or determinable price and date, maturing in third fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).

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The cash inflow during the period from additional borrowings in aggregate debt. Includes proceeds from short-term and long-term debt.

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Note 4 - Line of Credit (Details Textual)	1 Months Ended	12 Months Ended
Note 4 - Line of Credit (Details Textual)	Jun. 30, 2021 USD ($)	Dec. 31, 2021 USD ($)	Jul. 31, 2019 USD ($)
Line of Credit Facility, Interest Rate at Period End		1.35%
Line of Credit Facility, Unused Capacity, Commitment Fee Percentage		0.25%
Line of Credit, Fixed Coverage Ratio		1.25
Line of Credit, Leverage Ratio		3.00%
Line of Credit Facility, Remaining Borrowing Capacity		$ 19,200,000
Line of Credit Facility, Reserved for Specific Restriction		100,000
Long-Term Debt, Maturity, Year One		210,000
Long-Term Debt, Maturity, after Year Five		2,000,000.0
Proceeds from Issuance of Debt		3,200,000
Long-Term Debt, Maturity, Year Two		210,000
Long-Term Debt, Maturity, Year Three		210,000
Long-Term Debt, Maturity, Year Four		210,000
Obligations to Workers' Compensation Insurance Carrier [Member]
Letters of Credit Outstanding, Amount		14,300,000
Paycard Funding Account [Member]
Letters of Credit Outstanding, Amount		$ 500,000
London Interbank Offered Rate (LIBOR) [Member] \| Minimum [Member]
Debt Instrument, Basis Spread on Variable Rate		1.25%
London Interbank Offered Rate (LIBOR) [Member] \| Maximum [Member]
Debt Instrument, Basis Spread on Variable Rate		1.75%
Base Rate [Member] \| Minimum [Member]
Debt Instrument, Basis Spread on Variable Rate		0.25%
Base Rate [Member] \| Maximum [Member]
Debt Instrument, Basis Spread on Variable Rate		0.75%
Term Loan [Member]
Debt Instrument, Face Amount	$ 3,200,000
Debt Instrument, Interest Rate, Effective Percentage		2.10%
Debt Instrument, Term (Year)		15 years
Term Loan [Member] \| London Interbank Offered Rate (LIBOR) [Member]
Debt Instrument, Basis Spread on Variable Rate	2.00%
Truist [Member]
Line of Credit Facility, Maximum Borrowing Capacity	$ 60,000,000		$ 30,000,000
Truist [Member] \| Obligations to Workers' Compensation Insurance Carrier [Member]
Letters of Credit Outstanding, Amount		$ 14,300,000
Letter of Credit [Member]
Line of Credit Facility, Maximum Borrowing Capacity	$ 20,000,000