Equity (Details 6) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2016	Jun. 30, 2015	Jun. 30, 2016	Jun. 30, 2015
Dividends Net of Beneficial Conversion Feature	$ 459	$ 785	$ 1,313	$ 1,516
Accretion of beneficial conversion feature related to dividends			245	29
Series A Preferred Stock [Member]
Dividends Net of Beneficial Conversion Feature	10	17	29	35
Accretion of beneficial conversion feature related to dividends			3
Series B Preferred Stock [Member]
Dividends Net of Beneficial Conversion Feature	182	313	519	615
Accretion of beneficial conversion feature related to dividends			73
Series C Preferred Stock [Member]
Dividends Net of Beneficial Conversion Feature	74	127	211	250
Accretion of beneficial conversion feature related to dividends			39	13
Series D One Preferred Stock [Member]
Dividends Net of Beneficial Conversion Feature	108	179	309	324
Accretion of beneficial conversion feature related to dividends			78	16
Series D Two Preferred Stock [Member]
Dividends Net of Beneficial Conversion Feature	85	149	245	292
Accretion of beneficial conversion feature related to dividends			$ 52