Note 14 - License, Collaboration and Distribution Agreements (Tables)

6 Months Ended

Jun. 30, 2019

Notes Tables

Contract with Customer, Asset and Liability [Table Text Block]

	Balance at Beginning of the Period		Additions		Deductions			Balance at the end of the Period
	(in thousands)
Contract Liabilities: Deferred Revenue	$	41	$	-	$	(41	)	$	-
Contract Liabilities: Accrued Liabilities		1,432		4,001		(5,119	)		314
Total	$	1,473	$	4,001	$	(5,160	)	$	314

Disaggregation of Revenue [Table Text Block]

	Six Months Ended June 30,
	2019		2018
Revenue recognized in the period from:
Amounts included in contract liabilities at the beginning of the period:
Performance obligations satisfied	$	1,473	$	1,426
New activities in the period:
Performance obligations satisfied		1,807		4,315
	$	3,280	$	5,741