Condensed Consolidated Statements of Operations (Unaudited) (Parentheticals) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2018	Jun. 30, 2017	Jun. 30, 2018	Jun. 30, 2017
Equity-based compensation expense included in cost of revenues	$ 108	$ 94	$ 206	$ 191
Equity-based compensation expenses included in research and development, net	701	623	1,353	1,239
Equity-based compensation expense included in sales and marketing	265	297	671	597
Equity-based compensation expense included in general and administrative	$ 586	$ 543	$ 1,129	$ 1,061