Note 12 - Leases - Maturities of Lease Liabilities (Details)	Mar. 31, 2020 USD ($)
Operating Leases, 2021	$ 395,354
Finance Leases, 2021	373,715
Operating Leases, 2022	288,902
Finance Leases, 2022	352,151
Operating Leases, 2023	245,773
Finance Leases, 2023	334,224
Operating Leases, 2024	78,784
Finance Leases, 2024	295,250
Operating Leases, 2025
Finance Leases, 2025	162,142
Operating Leases, Total Lease Payments	1,008,813
Finance Leases, Total Lease Payments	1,517,482
Operating Leases, Less Imputed Interest	(125,261)
Finance Leases, Less Imputed Interest	(249,599)
Operating Leases, Total	883,552
Finance Leases, Total	$ 1,267,883