Note 5 - Goodwill and Acquired Intangible Assets (Tables)

6 Months Ended

Jun. 30, 2017

Notes Tables

Finite-Lived and Indefinite-Lived Intangible Assets Acquired as Part of Business Combination [Table Text Block]

	As of June 30 , 2017
(in thousands)	Amortization period (years)				Gross carrying amount		Accumulated Amortization		Net carrying amount
Imugen in-process research and development			Indefinite		$	9,200	$	—	$	9,200
Imugen technology - clinical			15			5,100		340		4,760
Imugen customer relationships			10			2,700		270		2,430
Imugen t rademarks / trade names			16			1,900		118		1,782
Immunetics in-process research and development			Indefinite			6,970		—		6,970
Immunetics technology - clinical			15			883		42		841
Immunetics customer relationships		5	-	11		350		40		310
Immunetics trade name			5			160		23		137
Immunetics grants			2			50		18		32
Other		5	-	10		682		564		118
Total					$	27,995	$	1,415	$	26,580

	As of December 31, 201 6
(in thousands)	Amortization period (years)				Gross carrying amount		Accumulated Amortization		Net carrying amount
Imugen in-process research and development			Indefinite		$	9,200	$	—	$	9,200
Imugen technology - clinical			15			5,100		170		4,930
Imugen customer relationships			10			2,700		135		2,565
Imugen t rademarks / trade names			16			1,900		59		1,841
Immunetics in-process research and development			Indefinite			6,970		—		6,970
Immunetics technology - clinical			15			860		9		851
Immunetics customer relationships		5	-	11		400		11		389
Immunetics trade name			5			290		9		281
Immunetics grants			2			50		4		46
Other		5	-	10		632		518		114
Total					$	28,102	$	915	$	27,187