Condensed Consolidated Statements of Operations (Unaudited) (Parentheticals) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2018	Sep. 30, 2017	Sep. 30, 2018	Sep. 30, 2017
Equity-based compensation expense included in cost of revenues	$ 114	$ 84	$ 320	$ 275
Equity-based compensation expenses included in research and development, net	781	576	2,134	1,815
Equity-based compensation expense included in sales and marketing	283	273	954	870
Equity-based compensation expense included in general and administrative	$ 574	$ 505	$ 1,703	$ 1,566