Note 7 - Notes Payable - Scheduled Notes Payable Principal Repayment (Details)	Mar. 31, 2020 USD ($)
2020 (remainder of year)	$ 909,086
2021	2,022,338
2022	2,328,727
2023	3,413,139
2024	757,866
Balance	$ 9,431,157

Amount, before unamortized (discount) premium and debt issuance costs, of long-term debt. Includes, but is not limited to, notes payable, bonds payable, commercial loans, mortgage loans, convertible debt, subordinated debt and other types of debt.

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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 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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