Consolidated Balance Sheets (Parentheticals) (USD $) In Thousands, except Share data, unless otherwise specified	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2012 Series A Preferred Stock [Member]	Dec. 31, 2011 Series A Preferred Stock [Member]	Dec. 31, 2012 Series C Preferred Stock [Member]	Dec. 31, 2011 Series C Preferred Stock [Member]
Accounts receivable, less allowance for doubtful accounts (in Dollars)	$ 16	$ 16
Convertible Preferred stock liquidation preference (in Dollars per share)			$ 500,000	$ 500,000	$ 1,764,240	$ 1,686,527
Convertible Preferred Stock, par value (in Dollars per share)	$ 0.01		$ 0.01	$ 0.01	$ 0.01	$ 0.01
Convertible Preferred Stock, shares authorized	1,000,000		100	100	1,550	1,550
Convertible Preferred Stock, shares issued			50	50	1,550	1,550
Convertible Preferred Stock, shares outstanding			50	50	1,550	1,550
Common stock, par value (in Dollars per share)	$ 0.01	$ 0.01
Common stock, shares authorized	50,000,000	50,000,000
Common stock, shares issued	42,705,032	41,463,836
Less treasury stock common shares at cost	0	1,965,740