Note 6 - Contingencies (Details Textual) - USD ($) $ in Thousands	Sep. 30, 2023	Mar. 31, 2023	Dec. 31, 2022
Business Combination, Contingent Consideration, Liability, Current		$ 806	$ 736
Sutter's Mill [Member]
Business Combination, Contingent Consideration, Liability		800
Sutter's Mill [Member] | Minimum [Member]
Business Combination, Contingent Consideration, Liability, Current		500
Sutter's Mill [Member] | Maximum [Member]
Business Combination, Contingent Consideration, Liability, Current		1,500
Guardian Products, Inc [Member]
Business Combination, Contingent Consideration, Liability		1,600
Guardian Products, Inc [Member] | Forecast [Member]
Business Combination, Contingent Consideration, Liability, Current	$ 800
Guardian Products, Inc [Member] | Minimum [Member]
Business Combination, Contingent Consideration, Liability, Current		1,900
Guardian Products, Inc [Member] | Maximum [Member]
Business Combination, Contingent Consideration, Liability, Current		$ 2,500