Summary of Significant Accounting Policies (Details) - USD ($) $ / shares in Units, $ in Thousands		3 Months Ended
		Mar. 31, 2018	Mar. 31, 2017
Numerator:
Net loss		$ 1,650	$ 1,849
Net gain (loss) from discontinued operations attributable to common stockholders		79	(1,849)
Accretion of Series B Preferred Stock to redemption value	[1]	1,968
Preferred dividend on Series B Preferred Stock	[2]	79
Participation of stockholders of series A preferred stock in the net loss from continuing operations		(357)
Net loss from continuing operations attributable to common stockholders		$ 3,419
Denominator:
Shares of common stock used in computing basic and diluted net loss per share (in shares)		11,868,619	4,237,517
Net loss per share of common stock from continuing operations, basic and diluted (in dollars per share)		$ 0.29

[1] Based on the rights and privileges of Series B Preferred Stock, since the Company did not obtain shareholder approval at March 31, 2018, the then outstanding Series B Preferred Stock became redeemable at the option of OFI.

[2] The net loss used for the computation of basic and diluted net loss per share for three months ended March 31, 2018, includes the preferred dividend requirement of 8% per share per annum for the Series B Preferred Stock, compounded annually which shall be distributed to stockholders in case of distributable assets determined in the Company's certificate of designation under the liquidation preference right (see also Note 5).