Quarterly report pursuant to Section 13 or 15(d)

Note 14 - Commitments - Lease Expense (Details)

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Note 14 - Commitments - Lease Expense (Details) - USD ($)
 3 Months Ended 9 Months Ended
Sep. 30, 2020
Sep. 30, 2019
Sep. 30, 2020
Sep. 30, 2019
Cash paid for operating lease liabilities $ 30,820 $ 39,555 $ 78,904 $ 118,664
Cash paid for finance lease liabilities 2,658 7,622
Right-of-use assets obtained in exchange for new operating lease liabilities (1) [1]   (663,009)
Property and equipment obtained in exchange for new finance lease liabilities   $ (43,242)
Weighted-average remaining lease term - operating leases (Year) 6 years 182 days 146 days 6 years 182 days 146 days
Weighted-average remaining lease term- finance leases (Year) 4 years 109 days 4 years 109 days
[1] For the nine months ended September 30, 2019, the balance includes operating leases existing as of the adoption of ASC 842 on January 1, 2019.