Note 8 - Long-term Debt - Remaining Principal Payments and the Current and Long-term Portion of Principal (Details) - USD ($)	Dec. 31, 2018	Dec. 31, 2017
2019	$ 140,000
2020	144,000
2021	148,000
2022	152,000
2023	156,000
Thereafter	2,318,000
Total Principal	3,058,000
Less: Unamortized debt issuance costs	107,000
Less: Current portion	129,282	$ 130,899
Long-term portion	$ 2,821,657	$ 2,946,518

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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