Condensed Consolidated Statements of Operations (Unaudited) (USD $) In Thousands, except Share data, unless otherwise specified	3 Months Ended	12 Months Ended
Mar. 31, 2015	Mar. 31, 2014	Dec. 31, 2014	Dec. 31, 2013
Revenue	$ 38us-gaap_SalesRevenueNet	$ 47us-gaap_SalesRevenueNet	$ 90us-gaap_SalesRevenueNet	$ 152us-gaap_SalesRevenueNet
Cost of revenue	50us-gaap_CostOfGoodsAndServicesSold	22us-gaap_CostOfGoodsAndServicesSold	50us-gaap_CostOfGoodsAndServicesSold	182us-gaap_CostOfGoodsAndServicesSold
Gross profit (loss)	(12)us-gaap_GrossProfit	25us-gaap_GrossProfit	40us-gaap_GrossProfit	(30)us-gaap_GrossProfit
Research and development	845us-gaap_ResearchAndDevelopmentExpense	174us-gaap_ResearchAndDevelopmentExpense	1,426us-gaap_ResearchAndDevelopmentExpense	772us-gaap_ResearchAndDevelopmentExpense
Selling, general and administrative	1,577	516	4,276	3,129
Total operating expenses	2,422us-gaap_OperatingExpenses	690us-gaap_OperatingExpenses	5,702us-gaap_OperatingExpenses	3,901us-gaap_OperatingExpenses
Loss from operations	(2,434)us-gaap_OperatingIncomeLoss	(665)us-gaap_OperatingIncomeLoss	(5,662)us-gaap_OperatingIncomeLoss	(3,931)us-gaap_OperatingIncomeLoss
Interest expense	(83)us-gaap_InterestExpense	(158)us-gaap_InterestExpense	(567)us-gaap_InterestExpense	(447)us-gaap_InterestExpense
Other income (expense), net	(7)us-gaap_OtherNonoperatingIncomeExpense	21us-gaap_OtherNonoperatingIncomeExpense	49us-gaap_OtherNonoperatingIncomeExpense	61us-gaap_OtherNonoperatingIncomeExpense
Net loss	$ (2,524)us-gaap_NetIncomeLoss	$ (802)us-gaap_NetIncomeLoss	$ (6,180)us-gaap_NetIncomeLoss	$ (4,317)us-gaap_NetIncomeLoss
Net loss per share:
Basic and diluted (in Dollars per share)	$ (0.14)us-gaap_EarningsPerShareBasicAndDiluted	$ (15.20)us-gaap_EarningsPerShareBasicAndDiluted	$ (1.27)us-gaap_EarningsPerShareBasicAndDiluted	$ (81.81)us-gaap_EarningsPerShareBasicAndDiluted
Weighted average shares used in computing net loss per common share
Basic and diluted (in Shares)	18,341,294	52,768	4,865,546	52,768

The aggregate costs related to goods produced and sold and services rendered by an entity during the reporting period. This excludes costs incurred during the reporting period related to financial services rendered and other revenue generating activities.

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Average number of shares or units issued and outstanding that are used in calculating basic and diluted earnings per share (EPS).

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