CONSOLIDATED STATEMENTS OF OPERATIONS AND COMPREHENSIVE LOSS (USD $) In Thousands, except Per Share data, unless otherwise specified	12 Months Ended
	Dec. 31, 2014	Dec. 31, 2013
Revenues	$ 93	$ 22
Cost of revenues	48	11
Gross profit	45	11
Operating expenses:
Research and development	5,119	4,562
Sales and marketing	329	259
General and administrative	5,654	4,007
Total operating expenses	11,102	8,828
Operating loss	(11,057)	(8,817)
Other income (expense), net	(4)	0
Loss before income taxes	(11,061)	(8,817)
Income taxes	0	0
Net loss	(11,061)	(8,817)
Basic and diluted net loss per share (in dollars per share)	$ (1.41)	$ (1.14)
Weighted average common shares, basic and diluted (in shares)	7,821	7,740
Comprehensive loss:
Net loss	(11,061)	(8,817)
Foreign currency translation adjustments	1	0
Total comprehensive loss	$ (11,060)	$ (8,817)