CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (LOSS) (unaudited) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2017	Sep. 30, 2016	Sep. 30, 2017	Sep. 30, 2016
Income Statement [Abstract]
Revenues		$ 7,258	$ 3,539	$ 29,734
Cost of revenues		1,487	100	7,595
Gross profit		5,771	3,439	22,139
Operating expenses:
Engineering and product development		326	143	983
Selling and marketing		4,529	620	18,757
General and administrative	2,705	2,894	6,895	9,791
Impairment of goodwill and intangible assets		3,518		3,518
Other income (expense), net	183		(2,467)
Loss on disposal of assets	594	1,731	4,845	2,574
Total operating expenses	3,482	12,998	10,036	35,623
Loss from continuing operations before interest, financing and other expense, net	(3,482)	(7,227)	(6,597)	(13,484)
Revaluation of asset contribution related financial instruments, net (Note 2)	326		2,948
Interest and other financing income (expense), net	20	88	(103)	(537)
Loss from continuing operations before income taxes	(3,136)	(7,139)	(3,752)	(14,021)
Income tax expense	(20)	(278)	(114)	(506)
Loss from continuing operations	(3,156)	(7,417)	(3,866)	(14,527)
Discontinued operations:
Loss from discontinued operations, net of taxes				(125)
Loss	$ (3,156)	$ (7,417)	$ (3,866)	$ (14,652)
Basic and diluted net loss per share:
Continuing operations (in dollars per share)	$ (0.38)	$ (1.78)	$ (0.61)	$ (3.48)
Discontinued operations (in dollars per share)				(0.03)
Basic net loss per share (in dollars per share)	$ (0.38)	$ (1.78)	$ (0.61)	$ (3.51)
Shares used in computing net loss per share:
Basic and diluted	8,299,528	4,157,917	6,296,604	4,173,146
Other comprehensive income (loss):
Reclassification of cumulative translation adjustment into comprehensive loss	$ 207		$ 3,228
Foreign currency translation adjustments	(16)	(157)	262	(915)
Total other comprehensive income (loss)	191	(157)	3,490	(915)
Comprehensive loss	$ (2,965)	$ (7,574)	$ (376)	$ (15,567)