Equity (Details 6) (USD $) In Thousands, unless otherwise specified	3 Months Ended		6 Months Ended
	Jun. 30, 2014	Jun. 30, 2013	Jun. 30, 2014	Jun. 30, 2013
Dividends Net of Beneficial Conversion Feature	$ 659	$ 510	$ 1,281	$ 987
Accretion of beneficial conversion feature related to dividends	25	266	399	321
Series A Preferred Stock [Member]
Dividends Net of Beneficial Conversion Feature	21	19	41	37
Accretion of beneficial conversion feature related to dividends
Series B Preferred Stock [Member]
Dividends Net of Beneficial Conversion Feature	284	257	558	504
Accretion of beneficial conversion feature related to dividends
Series C Preferred Stock [Member]
Dividends Net of Beneficial Conversion Feature	115	107	226	210
Accretion of beneficial conversion feature related to dividends	13	83	50	126
Series D One Preferred Stock [Member]
Dividends Net of Beneficial Conversion Feature	107	31	201	59
Accretion of beneficial conversion feature related to dividends	12	183	297	195
Series D Two Preferred Stock [Member]
Dividends Net of Beneficial Conversion Feature	132	96	255	177
Accretion of beneficial conversion feature related to dividends			$ 52