Note 18 - Contract Balances (Details Textual) $ in Thousands	Dec. 31, 2021 USD ($)
Revenue, Remaining Performance Obligation, Amount	$ 826
Minimum [Member]
Percentage of Contract Consideration	70.00%
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Period (Year)	3 years
Maximum [Member]
Percentage of Contract Consideration	90.00%
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Period (Year)	5 years