Note 4 - Fair Value Measurements - Liabilities Measured at Fair Value on Recurring Basis (Details) - USD ($) $ in Thousands	Dec. 31, 2022	Dec. 31, 2021	Dec. 21, 2021	Oct. 06, 2021
Interest Rate Swap [Member]
Interest rate swap	$ 528
Interest rate swap		$ (21)
Fair Value, Inputs, Level 1 [Member] | Interest Rate Swap [Member]
Interest rate swap	0
Interest rate swap		0
Fair Value, Inputs, Level 2 [Member] | Interest Rate Swap [Member]
Interest rate swap	528
Interest rate swap		(21)
Fair Value, Inputs, Level 3 [Member] | Interest Rate Swap [Member]
Interest rate swap	0
Interest rate swap		0
Acculogic [Member]
Contingent consideration liability	(1,363)	(930)	$ (1,430)
Acculogic [Member] | Fair Value, Inputs, Level 1 [Member]
Contingent consideration liability	0	0
Acculogic [Member] | Fair Value, Inputs, Level 2 [Member]
Contingent consideration liability	0	0
Acculogic [Member] | Fair Value, Inputs, Level 3 [Member]
Contingent consideration liability	$ (1,363)	(930)
Z-Sciences [Member]
Contingent consideration liability		(179)		$ (179)
Z-Sciences [Member] | Fair Value, Inputs, Level 1 [Member]
Contingent consideration liability		0
Z-Sciences [Member] | Fair Value, Inputs, Level 2 [Member]
Contingent consideration liability		0
Z-Sciences [Member] | Fair Value, Inputs, Level 3 [Member]
Contingent consideration liability		$ (179)