Stockholders' Equity (Details Narrative) - USD ($) $ / shares in Units, $ in Thousands						6 Months Ended
	Jun. 01, 2017	Feb. 02, 2017	Sep. 06, 2016	Aug. 29, 2016	Sep. 16, 2015	Jun. 30, 2017	Jun. 30, 2016	Dec. 31, 2016	Dec. 08, 2011
Preferred stock, shares authorized						5,000,000		5,000,000
Preferred stock par value						$ 0.01		$ 0.01
Preferred stock, shares issued
Preferred stock, shares outstanding
Common stock, shares authorized						350,000,000		350,000,000
Common stock,restrictions usage									75,000,000
Common stock, increase authorized									150,000,000
Common stock,unrestrictions usage					67,000,000
Reverse stock split description				12 to 1 reverse stock split on the outstanding shares
Proceeds from sale of common stock, net of issuance costs						$ 2,115	$ 163
Placement Agent [Member]
Proceeds from foregoing transaction						$ 1,055
Securities Purchase Agreement [Member] | Investors [Member]
Maximum number of shares issued upon transaction			3,333,334
Shares issued price per share			$ 1.50
Securities Purchase Agreement [Member] | Investors [Member] | Warrant [Member]
Proceeds from sale of common stock, net of issuance costs	$ 1,055		$ 4,520
Number of warrant to purchase shares of common stock	2,370,000		2,500,000
Warrant exercise price per share	$ 0.50		$ 2.00
Warrant initially exercisable term			6 months
Warrant exercisable term			5 years
Securities Purchase Agreement [Member] | Investors [Member] | Series A Warrant [Member] | December 1, 2017 [Member]
Number of warrant to purchase shares of common stock						2,370,000
Warrant exercise price per share						$ 0.60
Warrant expiry date						Mar. 06, 2022
Securities Purchase Agreement [Member] | Investors [Member] | Series B Warrant [Member] | December 1, 2017 [Member]
Number of warrant to purchase shares of common stock						7,584,000
Warrant exercise price per share						$ 0.60
Warrant expiry date						Mar. 01, 2018
Engagement Agreement [Member] | Placement Agent [Member]
Percentage of fixed commissions aggregate gross proceeds						7.00%	10.50%
Engagement Agreement [Member] | Placement Agent [Member] | Warrant [Member]
Percentage of fixed commissions aggregate gross proceeds						5.00%
Shares issued price per share						$ 1.875	$ 0.625
Aggregate number of shares sold in transactions						166,667	107,759
Warrant outstanding						166,667
Warrant expiry date						Sep. 01, 2021	Jun. 01, 2022
February Purchase Agreement [Member] | Investors [Member]
Maximum number of shares issued upon transaction		1,818,185
Percentage of fixed commissions aggregate gross proceeds						7.00%
Shares issued price per share		$ 0.55
February Purchase Agreement [Member] | Investors [Member] | Warrant [Member]
Proceeds from sale of common stock, net of issuance costs		$ 875
Percentage of fixed commissions aggregate gross proceeds						5.00%
Shares issued price per share						$ 0.6875
Number of warrant to purchase shares of common stock		1,363,639
Warrant exercise price per share		$ 0.75
Warrant initially exercisable term		6 months
Warrant exercisable term		5 years
Warrant outstanding						90,910
Warrant expiry date						Feb. 01, 2022
Equity Incentive Plans 2009 [Member]
Maximum number of shares issued upon transaction					60,000,000
Number of additional authorized shares under plan					7,000,000
Reverse stock split description						12 to 1 reverse stock split
Maximum number of common stock reserved						22,000,000
Number of Options, Granted						669,619
Expiration period						10 years
Minimum [Member]
Common stock, shares authorized						200,000,000
Maximum [Member]
Common stock, shares authorized						350,000,000