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Amount of the cost of borrowed funds accounted for as interest expense for debt.

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The cash inflow from a borrowing supported by a written promise to pay an obligation.

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Note 7 - Notes Payable (Details Textual) - USD ($)			3 Months Ended		9 Months Ended
Note 7 - Notes Payable (Details Textual) - USD ($)	Apr. 17, 2020	Feb. 28, 2018	Sep. 30, 2020	Sep. 30, 2019	Sep. 30, 2020	Sep. 30, 2019
Proceeds from Notes Payable, Total					$ 170,200
Long-Term Debt, Maturity, Year One			$ 3,026		3,026
Paycheck Protection Program CARES Act [Member]
Proceeds from Notes Payable, Total	$ 170,200
Interest Expense, Debt, Total			429		774
Debt Instrument, Periodic Payment, Total	$ 9,578.16
Senior Notes [Member]
Proceeds from Notes Payable, Total		$ 50,000
Debt Instrument, Interest Rate, Stated Percentage		5.00%
Long-Term Debt, Maturity, Year One			12,487		12,487
Long-Term Debt, Maturity, Year Two			13,126		13,126
Long-Term Debt, Maturity, Year Three			2,252		2,252
Interest Expense, Debt, Total			$ 411	$ 547	$ 1,344	$ 1,753