Note 6 - Contingencies (Details Textual) - USD ($) $ in Thousands	Jun. 30, 2023	Jun. 30, 2022	Dec. 31, 2021
Business Combination, Contingent Consideration, Liability, Current		$ 1,304	$ 4,507
Sutter's Mill [Member]
Business Combination, Contingent Consideration, Liability, Total		2,900
Sutter's Mill [Member] | Minimum [Member]
Business Combination, Contingent Consideration, Liability, Current		2,200
Sutter's Mill [Member] | Maximum [Member]
Business Combination, Contingent Consideration, Liability, Current		4,700
Sutter's Mill [Member] | Forecast [Member]
Business Combination, Contingent Consideration, Liability, Current	$ 1,300
Guardian Products, Inc [Member]
Business Combination, Contingent Consideration, Liability, Total		1,200
Guardian Products, Inc [Member] | Minimum [Member]
Business Combination, Contingent Consideration, Liability, Current		1,500
Guardian Products, Inc [Member] | Maximum [Member]
Business Combination, Contingent Consideration, Liability, Current		$ 2,400