CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE LOSS (unaudited) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2017	Mar. 31, 2016
Income Statement [Abstract]
Revenues	$ 3,539	$ 11,233
Cost of revenues	100	2,754
Gross profit	3,439	8,479
Operating expenses:
Engineering and product development	143	314
Selling and marketing	620	7,803
General and administrative	2,342	3,965
Loss on disposal of assets	2,085	843
Total operating expenses	5,190	12,925
Loss before interest and other financing expense, net	(1,751)	(4,446)
Interest and other financing expense, net	(77)	(333)
Loss before income taxes	(1,828)	(4,779)
Income tax expense	(21)	(93)
Net loss	$ (1,849)	$ (4,872)
Basic net loss per share: (in dollars per share)	$ (0.44)	$ (1.18)
Basic net loss per share (in dollars per share)	$ (0.44)	$ (1.18)
Shares used in computing net loss per share:
Basic and diluted (in shares)	4,237,517	4,155,464
Other comprehensive income (loss)
Reclassification of cumulative translation adjustment to statement operations	$ 3,021
Foreign currency translation adjustments	102	$ (88)
Total comprehensive income (loss)	3,123	(88)
Comprehensive income (loss)	$ 1,274	$ (4,960)