Note 2 - Fair Value Measurement (Tables)

9 Months Ended

Sep. 30, 2022

Notes Tables

Schedule of Fair Value, Assets and Liabilities Measured on Recurring Basis [Table Text Block]

As of September 30, 2022	Level 1		Level 2		Level 3		Total
Assets:
Cash equivalents:
Money market accounts	$	22,868	$	-	$	-	$	22,868
Available-for-sale securities:
U.S. government securities		13,054		-		-		13,054
Corporate debt securities		-		20,094		-		20,094
Other debt securities		-		1,925		-		1,925
Total		35,922		22,019		-		57,941
Liabilities:
Contingent consideration - business combinations		-		-		5,862		5,862
Debt		-		26,274		-		26,274
Total	$	-	$	26,274	$	5,862	$	32,136

As of December 31, 2021	Level 1		Level 2		Level 3		Total
Assets:
Money market accounts	$	63,873	$	-	$	-	$	63,873
Total		63,873		-		-		63,873
Liabilities:
Contingent consideration - business combinations		-		-		10,027		10,027
Debt		-		7,215		-		7,215
Total	$	-	$	7,215	$	10,027	$	17,242

Warrant Liabilities [Member]

Notes Tables

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

	Nine Months Ended
	September 30,
(In thousands)	2022		2021
Beginning balance as of December 31, 2021 and 2020	$	-	$	2,780
Exercised warrants		-		(2,901	)
Change in fair value recognized in net (loss) income		-		121
Ending balance	$	-	$	-

Contingent Consideration Liabilities [Member]

Notes Tables

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

	Nine Months Ended
	September 30,
(In thousands)	2022			2021
Beginning balance as of December 31, 2021 and 2020	$	10,027		$	7,152
Change in fair value recognized in net (loss) income		(3,348	)		1,086
Payment of contingent consideration earned		(817	)		-
Ending balance	$	5,862		$	8,238