Note 10 - Contingencies (Details Textual) - USD ($) $ in Thousands	Dec. 31, 2020	Dec. 31, 2019
Business Combination, Contingent Consideration, Liability, Current	$ 5,589	$ 1,905
BAMKO [Member]
Business Combination, Contingent Consideration, Liability, Total	5,200
Business Combination, Contingent Consideration, Liability, Current	4,300
BAMKO [Member] | Minimum [Member]
Business Combination, Contingent Consideration, Liability, Total	5,400
BAMKO [Member] | Maximum [Member]
Business Combination, Contingent Consideration, Liability, Total	5,700
Tangerine [Member]
Business Combination, Contingent Consideration, Liability, Total	2,300
Tangerine [Member] | Minimum [Member]
Business Combination, Contingent Consideration, Liability, Total	2,300
Business Combination, Contingent Consideration, Liability, Current	1,300
Tangerine [Member] | Maximum [Member]
Business Combination, Contingent Consideration, Liability, Total	$ 2,800