Note 6 - Contingencies (Details Textual) - USD ($) $ in Thousands	Sep. 30, 2023	Jun. 30, 2023	Sep. 30, 2022	Dec. 31, 2021
Business Combination, Contingent Consideration, Liability, Current			$ 1,368	$ 4,507
Sutter's Mill [Member]
Business Combination, Contingent Consideration, Liability, Total			2,400
Sutter's Mill [Member] | Minimum [Member]
Business Combination, Contingent Consideration, Liability, Current			2,300
Sutter's Mill [Member] | Maximum [Member]
Business Combination, Contingent Consideration, Liability, Current			4,600
Sutter's Mill [Member] | Forecast [Member]
Business Combination, Contingent Consideration, Liability, Current		$ 800
Guardian Products, Inc [Member]
Business Combination, Contingent Consideration, Liability, Total			1,300
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
Guardian Products, Inc [Member] | Forecast [Member]
Business Combination, Contingent Consideration, Liability, Current	$ 600