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Note 7 - Long-term Debt - Future Maturities of Long-term Debt (Details)	Dec. 31, 2021 USD ($)
2022	$ 1,765,508
Total long-term debt	$ 1,765,508

Amount, after unamortized (discount) premium and debt issuance costs, of long-term debt. Includes, but not limited to, notes payable, bonds payable, debentures, mortgage loans and commercial paper. Excludes capital lease obligations.

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