Note 4 - Goodwill and Intangible Assets (Tables)

3 Months Ended

Mar. 31, 2019

Notes Tables

Schedule of Goodwill [Table Text Block]

Balance at December 31, 2018	$	1,943
Foreign currency translation adjustments		(32	)
Balance at March 31, 2019	$	1,911

Schedule of Finite-Lived Intangible Assets [Table Text Block]

		March 31,			December 31,
	Estimated Useful Life	2019			2018
Developed technology	5 to 6 years	$	9,910		$	9,910
Customer relationships	4 years		—			2,080
Total intangible assets			9,910			11,990
Less: accumulated amortization			(8,504	)		(10,052	)
Intangible assets, net		$	1,406		$	1,938

Schedule of Finite-Lived Intangible Assets, Future Amortization Expense [Table Text Block]

Remaining nine months of 2019	$	1,311
Year ending December 31, 2020		95
Total	$	1,406