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

3 Months Ended

Mar. 31, 2018

Notes Tables

Schedule of Intangible Assets and Goodwill [Table Text Block]

					Other
					Intangible
	Goodwill		IPR&D		Assets
Balance at January 1, 2018	$	13,074	$	28,700	$	1,669
Amortization expense		-		-		(53	)
Balance at March 31, 2018	$	13,074	$	28,700	$	1,616

					Other
					Intangible
	Goodwill		IPR&D		Assets
Balance at January 1, 2017	$	13,074	$	28,700	$	1,881
Amortization expense		-		-		(53	)
Balance at March 31, 2017	$	13,074	$	28,700	$	1,828