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

12 Months Ended

Dec. 31, 2018

Notes Tables

Schedule of Accrued Liabilities [Table Text Block]

	December 31, 2018		December 31, 2017
	(in thousands)
Compensation and related taxes	$	7,973	$	6,494
Income and other taxes		2,927		703
Professional fees		43		35
Deferred revenue		552		-
Other		4,352		2,538
Total	$	15,847	$	9,770

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

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

Other Noncurrent Liabilities [Table Text Block]

	December 31, 2018		December 31, 2017
	(in thousands)
Acquisition-related liabilities	$	1,326	$	127
Deferred rent		530		561
Income taxes		559		321
Other		196		179
Total	$	2,611	$	1,188