Stockholders' Equity and Redeemable Convertible Preferred Stock (Details Narrative) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended		12 Months Ended
	Mar. 31, 2016	Mar. 31, 2015	Dec. 31, 2015	Dec. 31, 2014	Jan. 26, 2016
Stock based compensation	$ 1,000	$ 76,000
Common stock shares issued	2,962,780		2,539,859
Common stock	$ 0.0001		$ 0.0001
Unamortized stock based compensation expense	$ 2,000
Series K Convertible Preferred Stock [Member]
Preferred stock, shares issued	50		1,240
Preferred stock, shares outstanding	50		1,240
Dividend on preferred paid	$ 700
Restricted Stock Awards One [Member]
Common stock shares issued					652
Fair value of stock options granted				$ 1,487
Restricted Stock Awards [Member]
Stock based compensation			$ 2	$ 37
Vested options outstanding				395