Note 7 - Goodwill and Intangible Assets (Tables)

12 Months Ended

Dec. 31, 2018

Notes Tables

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

	As of December 31, 2018
	Amortization period (years)			Gross carrying amount		Accumulated Amortization		Net carrying amount
Licenses	5	-	10	$	652	$	591	$	61
Total				$	652	$	591	$	61

	As of December 31, 2017
	Amortization period (years)			Gross carrying amount		Accumulated Amortization		Net carrying amount
Immunetics technology – clinical		15		$	883	$	72	$	811
Immunetics customer relationships	5	-	11		130		14		116
Immunetics trade name		5			30		8		22
Other	5	-	10		692		605		87
Total				$	1,735	$	699	$	1,036