Note 4 - Fair Value Measurements (Tables)

12 Months Ended

Dec. 31, 2021

Notes Tables

Fair Value, Liabilities Measured on Recurring Basis [Table Text Block]

	Amounts at		Fair Value Measurement Using
	Fair Value		Level 1		Level 2		Level 3
As of December 31, 2021
Contingent consideration liability – Z-Sciences	$	179	$	-	$	-	$	179
Contingent consideration liability – Acculogic	$	930	$	-	$	-	$	930
Interest rate swap	$	21	$	-	$	21	$	-

Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Table Text Block]

	Year Ended
	December 31,
	2021
Balance at beginning of period	$	-
Contingent consideration liability established in connection with the acquisition of Z-Sciences		179
Contingent consideration liability established in connection with the acquisition of Acculogic		930
Balance at end of period	$	1,109