Equity (Details 6) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2015	Jun. 30, 2014	Jun. 30, 2015	Jun. 30, 2014
YTD Dividend Shares in Kind	$ 785	$ 659	$ 1,516	$ 1,281
Accretion of beneficial conversion feature related to dividends		28	29	93
Series A Preferred Stock [Member]
YTD Dividend Shares in Kind	$ 17	$ 21	$ 35	$ 41
Accretion of beneficial conversion feature related to dividends
Series B Preferred Stock [Member]
YTD Dividend Shares in Kind	$ 313	$ 284	$ 615	$ 558
Accretion of beneficial conversion feature related to dividends
Series C Preferred Stock [Member]
YTD Dividend Shares in Kind	$ 127	$ 115	$ 250	$ 226
Accretion of beneficial conversion feature related to dividends		13	13	50
Series D One Preferred Stock [Member]
YTD Dividend Shares in Kind	$ 179	107	324	201
Accretion of beneficial conversion feature related to dividends		12	16	43
Series D Two Preferred Stock [Member]
YTD Dividend Shares in Kind	$ 149	$ 132	$ 292	$ 255
Accretion of beneficial conversion feature related to dividends