Condensed Consolidated Statements of Operations and Comprehensive Loss (Unaudited) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2018	Mar. 31, 2017
Income Statement [Abstract]
Revenue	$ 956	$ 312
Operating expenses
Cost of revenue	881	201
General and administrative	4,209	2,835
Sales and marketing	55	118
Research and development	47	103
Total operating expenses	5,192	3,257
Operating loss	(4,236)	(2,945)
Other non-operating expense
Interest expense		(75)
Warrant modification expense	(139)
Loss on sale of cyber security assets	(127)
Loss on sale of property and equipment	(47)
Impairment/loss on sale of investments		(2,871)
Total other non-operating expenses	(313)	(2,946)
Net loss	(4,549)	(5,891)
Deemed dividend	(2,514)
Net loss attributable to common stockholders	(7,063)	(5,891)
Other comprehensive loss
Reclassification adjustment for comprehensive loss included in net loss		66
Comprehensive loss	$ (7,063)	$ (5,825)
Per-share data
Basic and diluted loss per share	$ (0.12)	$ (0.20)
Weighted average number of common shares outstanding	59,482,132	29,699,244