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

6 Months Ended

Jun. 30, 2019

Notes Tables

Schedule of Business Acquisitions, by Acquisition [Table Text Block]

	Amount
Cash consideration	$	8,000
Tangible assets acquired:
Machinery and equipment		682
Leasehold improvements		1,300
Total tangible assets acquired		1,982
Intangible assets - Somerset		1,245
Total tangible and intangible assets acquired		3,227
Goodwill	$	4,773

Schedule of Intangible Assets and Goodwill [Table Text Block]

					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		-		-		(536	)
Balance at June 30, 2019	$	17,847	$	600	$	6,775

					Other
					Intangible
	Goodwill		IPR&D		Assets
Balance at January 1, 2018	$	13,074	$	28,700	$	1,669
Amortization expense		-		-		(106	)
Balance at June 30, 2018	$	13,074	$	28,700	$	1,563

Components of Finite Lived Intangible Assets [Table Text Block]

	Gross Amount		Accumulated Amortization		Net Carrying Value
Intangible assets - AZEDRA product rights	$	4,900	$	642	$	4,258
Intangible assets - Somerset		1,245		80		1,165
Intangible assets - EXINI technology		2,120		768		1,352
Total	$	8,265	$	1,490	$	6,775