Note 6 - Goodwill, In-process Research and Development and Other Intangible Assets (Tables)

3 Months Ended

Mar. 31, 2020

Notes Tables

Schedule of Intangible Assets and Goodwill [Table Text Block]

					Other
					Intangible
	Goodwill		IPR&D		Assets
Balance at January 1, 2020	$	17,847	$	600	$	6,223
Amortization expense		-		-		(276	)
Balance at March 31, 2020	$	17,847	$	600	$	5,947

					Other
					Intangible
	Goodwill		IPR&D		Assets
Balance at January 1, 2019	$	13,074	$	600	$	6,066
Increase related to Somerset acquisition	$	4,773	$	-	$	1,245
Amortization expense		-		-		(260	)
Balance at March 31, 2019	$	17,847	$	600	$	7,051

Components of Finite Lived Intangible Assets [Table Text Block]

	Gross Amount		Accumulated Amortization		Net Carrying Value
Intangible assets - AZEDRA product rights	$	4,900	$	1,167	$	3,733
Intangible assets - Somerset		1,245		223		1,022
Intangible assets - EXINI technology		2,120		928		1,192
Total	$	8,265	$	2,318	$	5,947