Preferred Stock Narrative (Details) (USD $)	3 Months Ended						3 Months Ended	12 Months Ended	3 Months Ended
	Mar. 31, 2013	Dec. 31, 2012	Mar. 31, 2012	Dec. 31, 2011	Mar. 31, 2013 Preferred Stock [Member]	Mar. 31, 2013 Series B-1 Preferred Stock [Member]	Mar. 31, 2013 Series B-1 Preferred Stock [Member] Forecast [Member]	Dec. 31, 2014 Series B-1 Preferred Stock [Member] Forecast [Member]	Mar. 31, 2013 Series A-2 Preferred Stock [Member]	Mar. 31, 2013 Series D Preferred Stock [Member]
Class of Stock [Line Items]
Preferred Stock authorized					5,000,000	100			7,500	4,000
Preferred Stock issued	100	100				100			53	0
Preferred Stock, outstanding	100	100				100			53	0
Preferred Stock stated value (per share)						$ 100,000			$ 7,500
Preferred stock, cumulative dividend percentage rate (per annum)							0.00%	6.00%	5.00%
Dividends Payable, Current	$ 105,000	$ 0				$ 100,000			$ 5,000
Cash	2,166,000	2,218,000	2,049,000	1,818,000
Stock issued during period, conversion of convertible securities, price (per share)									$ 3.00
Convertible preferred stock, shares issued upon conversion									2,500
Conversion price below this fair value of the common stock	$ 1.16