Note 11 - Main Street Term Loan (Details Textual) - MSLP Note [Member]		12 Months Ended
	Dec. 08, 2020	Dec. 08, 2024
Debt Instrument, Term (Year)	5 years
Forecast [Member]
Debt Instrument, Percentage of Outstanding Principal to be Paid with Accrued Unpaid Interest		15.00%
London Interbank Offered Rate (LIBOR) [Member]
Debt Instrument, Basis Spread on Variable Rate	3.00%