CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE LOSS (Unaudited) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2016	Mar. 31, 2015
CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE LOSS (Unaudited) [Abstract]
Revenues	$ 7,620	$ 81
Cost of revenues	3,422	711
Gross profit (loss)	4,198	(630)
Operating expenses:
Engineering and product development	525	239
Selling and marketing	3,710	1,027
General and administrative	2,101	1,736
Total operating expenses	6,336	3,002
Operating loss before other income (expense), net	(2,138)	(3,632)
Other income (expense), net:
Interest expense, net	(1,218)	(2,324)
Change in fair value of warrant liability	1,985	(1,334)
Other income, net	0	18
Other income (expense), net	767	(3,640)
Loss before income taxes	(1,371)	(7,272)
Income tax expense	(66)	0
Net loss	$ (1,437)	$ (7,272)
Net loss per share:
Basic (in dollars per share)	$ (0.14)	$ (1.12)
Diluted (in dollars per share)	$ (0.26)	$ (1.12)
Shares used in computing net loss per share:
Basic (in shares)	10,339,657	6,471,906
Diluted (in shares)	13,307,923	6,471,906