Note 6 - Accrued Expenses and Other Long-term Liabilities (Tables)

12 Months Ended

Dec. 31, 2019

Notes Tables

Schedule of Accrued Liabilities [Table Text Block]

	December 31, 2019		December 31, 2018
	(in thousands)
Compensation and related taxes	$	8,550	$	7,973
Income and other taxes		1,003		2,927
Professional fees		40		43
Deferred revenue		-		552
Other		4,421		4,352
Total	$	14,014	$	15,847

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

	As of December 31,
	2019			2018
Beginning contract liability balance	$	552		$	-
Deferred revenue recorded		-			1,081
Revenue recognized upon satisfaction of performace obligations in the period		(552	)		(529	)
Ending balance	$	-		$	552

Other Noncurrent Liabilities [Table Text Block]

	December 31, 2019		December 31, 2018
	(in thousands)
Acquisition-related liabilities	$	3,268	$	1,326
Deferred rent		-		530
Income taxes		781		559
Other		166		196
Total	$	4,215	$	2,611