Note 4 - Fair Value (Tables)

9 Months Ended

Sep. 30, 2020

Notes Tables

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

	September 30, 2020
	(in thousands)
Description	Quoted Prices in Active Markets for Identical Assets (Level 1)		Significant Other Observable Inputs (Level 2)		Significant Unobservable Inputs (Level 3)		Total
Assets measured at fair value
Cash and cash equivalents	$	19,964	$	-	$	-	$	19,964
Restricted cash		1,154		-		-		1,154
Total assets measured at fair value	$	21,118	$	-	$	-	$	21,118
Liabilities measured at fair value
Contingent consideration	$	-	$	-	$	2,780	$	2,780
Warrant liabilities		-		-		124		124
Total liabilities measured at fair value	$	-	$	-	$	2,904	$	2,904

	December 31, 2019
	(in thousands)
Description	Quoted Prices in Active Markets for Identical Assets (Level 1)		Significant Other Observable Inputs (Level 2)		Significant Unobservable Inputs (Level 3)		Total
Assets measured at fair value
Cash and cash equivalents	$	9,598	$	-	$	-	$	9,598
Restricted cash		969		-		-		969
Total assets measured at fair value	$	10,567	$	-	$	-	$	10,567
Liabilities measured at fair value
Contingent consideration	$	-	$	-	$	1,084	$	1,084
Warrant liabilities		-		-		2,388		2,388
Total liabilities measured at fair value	$	-	$	-	$	3,472	$	3,472

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

	Fair Value Measurement at Reporting Date (Level 3)
	(in thousands)
	Common stock warrants			Contingent consideration
Balance at December 31, 2019	$	2,388		$	1,084
Exchange of warrants		(2,470	)		-
Change in fair value		206			1,770
Payment of contingent consideration		-			(74	)
Balance at September 30, 2020	$	124		$	2,780
Current portion	$	-		$	-
Long-term portion		124			2,780
Balance at September 30, 2020	$	124		$	2,780