Preferred Stock Narrative (Details) (USD $)	9 Months Ended					9 Months Ended			0 Months Ended	9 Months Ended		0 Months Ended	9 Months Ended		0 Months Ended
	Sep. 30, 2013	Sep. 30, 2012	Dec. 31, 2012	Dec. 31, 2011	Sep. 30, 2013 Preferred Stock [Member]	Sep. 30, 2013 Series B Preferred Stock [Member]	Sep. 30, 2013 Series A-2 Preferred Stock [Member]	Sep. 30, 2013 Series D Preferred Stock [Member]	Aug. 09, 2013 Series B Preferred Stock [Member]	Sep. 30, 2013 Series B Preferred Stock [Member]	Dec. 31, 2012 Series B Preferred Stock [Member]	Aug. 09, 2013 Common Stock [Member]	Sep. 30, 2013 Common Stock [Member]	Dec. 31, 2012 Common Stock [Member]	Aug. 09, 2013 Common Stock [Member] Subject to Registration Rights Agreement [Member]
Class of Stock [Line Items]
Preferred Stock authorized					5,000,000		7,500	4,000
Preferred Stock issued	5		100			100	53	0
Preferred Stock, outstanding	5		100
Preferred Stock stated value (per share)						$ 100,000	$ 7,500
Preferred stock, liquidation preference, gross									$ 9,736,000
Preferred stock, liquidation preference (per share)									$ 1.54
Preferred stock, percentage of shareholders required for conversion (at least)						90.00%
Preferred stock, cumulative dividend percentage rate (per annum)						4.00%	5.00%
Preferred stock, dividend rate, next fiscal year						6.00%
Accrued dividends	25,000		0			10,000	15,000
Preferred shares outstanding										5	100		34,939,000	28,886,000
Cash	2,051,000	1,650,000	2,218,000	1,818,000
Conversion of preferred stock, 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
Preferred stock, forgiveness of accrued dividends									236,000
Payments related to preferred stock exchange	$ 106,000	$ 0								$ 289,000
Preferred stock exchange for common shares									95	(95)		6,333,333	6,333,000		6,333,333
Common stock, par value (in dollars per share)	$ 0.0001		$ 0.0001