Consolidated Balance Sheets (Parenthetical) (USD $)	Dec. 31, 2011	Dec. 31, 2010
Accounts receivable, allowance for doubtful accounts	$ 0	$ 0
Preferred stock, Convertible Series G, authorized	200,000	200,000
Preferred stock, Convertible Series G, par value	$ 1	$ 1
Preferred stock, Convertible Series G, stated value	$ 50	$ 50
Preferred stock, Convertible Series G, shares issued	120,827	120,827
Preferred stock, Convertible Series G, shares outstanding	120,827	120,827
Preferred stock, par value	$ 1	$ 1
Common stock, par value	$ 0.001	$ 0.001
Common stock, authorized	2,000,000,000	2,000,000,000
Common stock, issued	27,780,205	23,756,132
Common stock, outstanding	27,780,205	23,756,132
Convertible Series B
Preferred stock, par value	$ 2	$ 2
Preferred stock, shares issued	65,141	65,141
Preferred stock, shares outstanding	65,141	65,141
Cumulative Series C
Preferred stock, par value	$ 1	$ 1
Preferred stock, shares issued	64,763	64,763
Preferred stock, shares outstanding	64,763	64,763
Convertible Series D
Preferred stock, par value	$ 1	$ 1
Preferred stock, shares issued	0	0
Preferred stock, shares outstanding	0	0
Convertible Series E
Preferred stock, par value	$ 1	$ 1
Preferred stock, shares issued	0	0
Preferred stock, shares outstanding	0	0
Convertible Series F
Preferred stock, par value	$ 1	$ 1
Preferred stock, shares issued	0	0
Preferred stock, shares outstanding	0	0