Equity (Details 6) (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 31, 2014	Mar. 31, 2013
Dividends Net of Beneficial Conversion Feature	$ 621	$ 478
Accretion of beneficial conversion feature related to dividends	68	55
Series A Preferred Stock [Member]
Dividends Net of Beneficial Conversion Feature	20	19
Accretion of beneficial conversion feature related to dividends
Series B Preferred Stock [Member]
Dividends Net of Beneficial Conversion Feature	274	248
Accretion of beneficial conversion feature related to dividends
Series C Preferred Stock [Member]
Dividends Net of Beneficial Conversion Feature	111	103
Accretion of beneficial conversion feature related to dividends	37	43
Series D One Preferred Stock [Member]
Dividends Net of Beneficial Conversion Feature	93	28
Accretion of beneficial conversion feature related to dividends	31	12
Series D Two Preferred Stock [Member]
Dividends Net of Beneficial Conversion Feature	123	81
Accretion of beneficial conversion feature related to dividends