Subsequent Events (Details Narrative) - USD ($) $ / shares in Units, $ in Thousands	Apr. 02, 2018	Mar. 31, 2018	Mar. 28, 2018	Mar. 02, 2018	Dec. 31, 2017
Conversion of shares issued		111,442
Series D Preferred Shares [Member]
Conversion of shares issued				142,857
Preferred stock, shares outstanding		300		750	750
Series C Preferred Shares [Member]
Conversion of shares issued			688,297	1,497,427
Preferred stock, shares outstanding		451,695	451,695	741,651	741,651
Underwriter Warrants [Member]
Warrants to purchase common stock				60,000
Subsequent Event [Member] | Series D Investor [Member] | Series D Purchase Agreement [Member]
Amount utilized for purchase of shares	$ 300,000
Subsequent Event [Member] | Series D Preferred Shares [Member]
Preferred stock conversion price per shares	$ 1.75
Conversion of shares issued	71,429
Preferred stock, shares outstanding	300
Subsequent Event [Member] | Series C Preferred Shares [Member] | Series D Investor [Member] | Series D Purchase Agreement [Member]
Number of shares purchased during period	46,875
Subsequent Event [Member] | Underwriter Warrants [Member]
Stock issued price per shares	$ 2.1875
Percentage for gross proceeds of offering	125.00%
Percentage for shares of common stock sold	6.00%
Warrant term	5 years
Subsequent Event [Member] | Underwriter Warrants [Member] | Maximum [Member]
Warrants to purchase common stock	171,429
Subsequent Event [Member] | Public Offering [Member]
Number of public offering, shares	2,857,143
Stock issued price per shares	$ 1.75
Proceeds from public offering	$ 5,000