CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE (LOSS) INCOME (Unaudited) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2015	Jun. 30, 2014	Jun. 30, 2015	Jun. 30, 2014
CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (LOSS) (Unaudited) [Abstract]
Revenues	$ 19,924	$ 31,799	$ 40,598	$ 75,813
Cost of revenues	4,915	5,802	9,573	13,263
Gross profit	15,009	25,997	31,025	62,550
Operating expenses:
Engineering and product development	389	467	727	931
Selling and marketing	16,161	24,391	32,094	52,880
General and administrative	4,971	8,981	9,014	15,490
Total operating expenses	21,521	33,839	41,835	69,301
Loss from continuing operations before interest and other financing expense, net	(6,512)	(7,842)	(10,810)	(6,751)
Interest and other financing income (expense), net	56	(287)	(604)	(434)
Loss from continuing operations before income taxes	(6,456)	(8,129)	(11,414)	(7,185)
Income tax benefit	3,941	909	3,577	988
Loss from continuing operations	(2,515)	(7,220)	(7,837)	(6,197)
Discontinued operations:
Loss from discontinued operations, net of taxes	(2,058)	(260)	(6,709)	(1,628)
Gain on sale of discontinued operations, net of taxes	10,634	0	10,593	0
Net income (loss)	$ 6,061	$ (7,480)	$ (3,953)	$ (7,825)
Basic and diluted net income (loss) per share:
Continuing operations (in dollars per share)	$ (0.12)	$ (0.39)	$ (0.39)	$ (0.33)
Discontinued operations (in dollars per share)	0.40	(0.01)	0.19	(0.09)
Basic and diluted net income (loss) per share (in dollars per share)	$ 0.28	$ (0.40)	$ (0.20)	$ (0.42)
Shares used in computing basic and diluted net income (loss) per share	21,488,832	18,723,484	20,308,391	18,721,463
Other comprehensive income (loss):
Foreign currency translation adjustments	$ 1,386	$ 693	$ 176	$ 1,030
Comprehensive income (loss)	$ 7,447	$ (6,787)	$ (3,469)	$ (6,795)