Note 6 - Contingencies (Details Textual) - USD ($) $ in Thousands	3 Months Ended
	Sep. 30, 2023	Sep. 30, 2024	Mar. 31, 2024	Dec. 31, 2022
Business Combination, Contingent Consideration, Liability, Current	$ 1,321			$ 736
Sutter's Mill [Member] | Forecast [Member]
Business Combination, Contingent Consideration, Liability, Current			$ 500
Guardian Products, Inc [Member]
Business Combination, Contingent Consideration, Liability, Current	1,200
Payment for Contingent Consideration Liability, Financing Activities	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	$ 2,200
Guardian Products, Inc [Member] | Forecast [Member]
Business Combination, Contingent Consideration, Liability, Current		$ 800