Series A Convertible Preferred Stock (Details Textual) - USD ($) $ / shares in Units, $ in Thousands		12 Months Ended
	Nov. 02, 2012	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2012
Series A Convertible Preferred Stock (Textual)
Class of warrant or right, exercise price of warrants or rights		$ 0.25
Series A Convertible Preferred Stock [Member]
Series A Convertible Preferred Stock (Textual)
Proceeds from issuance of private placement	$ 4,500			$ 88
Preferred stock, shares outstanding		10,608	9,993
Issuance of warrants to purchase of common stock	2,760,724
Preferred stock, dividend rate, percentage	6.00%
Class of warrant or right, exercise price of warrants or rights	$ 3.85
Preferred stock convertible conversion price	$ 3.26
Preferred stock dividends, Shares		615	580