Note 8 - Long-term Debt - Remaining Principal Payments and the Current and Long-term Portion of Principal (Details) - USD ($)	Dec. 31, 2019	Dec. 31, 2018
2020	$ 144,000
2021	148,000
2022	151,000
2023	156,000
2024	160,000
Thereafter	2,158,000
Total Principal	2,917,000
Less: Unamortized debt issuance costs	96,000
Less: Current portion	133,287	$ 129,282
Long-term portion	$ 2,688,357	$ 2,821,657

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, 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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