CONSOLIDATED STATEMENTS OF COMPREHENSIVE LOSS - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2016	Dec. 31, 2015
Income Statement [Abstract]
Revenues:	$ 38,397	$ 75,890
Cost of revenues	8,086	18,425
Gross profit	30,311	57,465
Operating expenses:
Engineering and product development	1,249	1,313
Selling and marketing	21,729	57,412
General and administrative	13,233	17,484
Impairment	3,518	21,481
Loss on sale of assets	2,574
Total operating expenses	42,303	97,690
Loss from continuing operations before interest and other financing expense, net	(11,992)	(40,225)
Interest and other financing expense, net	(385)	(1,402)
Loss from continuing operations before income taxes	(12,377)	(41,627)
Income tax expense (benefit)	762	(1,794)
Loss from continuing operations	(13,139)	(39,833)
Discontinued operations:
Loss from discontinued operations, net of taxes	(125)	(4,131)
Gain on sale of discontinued operations, net of taxes		9,410
Loss	$ (13,264)	$ (34,554)
Basic net loss per share:
Continuing operations (in dollars per share)	$ (3.15)	$ (9.84)
Discontinued operations (in dollars per share)	(0.03)	1.3
Basic (in dollars per share)	(3.18)	(8.54)
Diluted net loss per share:
Continuing operations (in dollars per share)	(3.15)	(9.84)
Discontinued operations (in dollars per share)	(0.03)	1.3
Diluted (in dollars per share)	$ (3.18)	$ (8.54)
Shares used in computing net loss per share:
Basic (in shares)	4,171,549	4,049,518
Diluted (in shares)	4,171,549	4,049,518
Other comprehensive loss:
Foreign currency translation adjustments	$ (2,810)	$ (1,256)
Comprehensive loss	$ (16,074)	$ (35,810)