Note 6 - Contingencies (Details Textual) - USD ($) $ in Thousands	Mar. 31, 2021	Dec. 31, 2020
Business Combination, Contingent Consideration, Liability, Current	$ 5,791	$ 5,589
BAMKO [Member]
Business Combination, Contingent Consideration, Liability, Total	6,300
Business Combination, Contingent Consideration, Liability, Current	4,400
BAMKO [Member] | Minimum [Member]
Business Combination, Contingent Consideration, Liability, Total	6,500
BAMKO [Member] | Maximum [Member]
Business Combination, Contingent Consideration, Liability, Total	6,900
Tangerine [Member]
Business Combination, Contingent Consideration, Liability, Total	2,400
Business Combination, Contingent Consideration, Liability, Current	1,400
Tangerine [Member] | Minimum [Member]
Business Combination, Contingent Consideration, Liability, Total	2,300
Tangerine [Member] | Maximum [Member]
Business Combination, Contingent Consideration, Liability, Total	$ 2,800