Note 4 - Fair Value (Tables)

6 Months Ended

Jun. 30, 2020

Notes Tables

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

	June 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	$	15,603	$	-	$	-	$	15,603
Restricted cash		627		-		-		627
Total assets measured at fair value	$	16,230	$	-	$	-	$	16,230
Liaiblities measured at fair value
Contingent consideration	$	-	$	-	$	2,278	$	2,278
Warrant liabilities		-		-		187		187
Total liabilities measured at fair value	$	-	$	-	$	2,465	$	2,465

	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
Liaiblities 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		269			1,268
Payment of contingent consideration		-			(74	)
Balance at June 30, 2020	$	187		$	2,278
Current portion	$	-		$	-
Long-term portion		187			2,278
Balance at June 30, 2020	$	187		$	2,278