Series A 6% Convertible Preferred Stock Dividend (Detail Textuals) (Series A 6% Convertible Preferred Stock, USD $)	3 Months Ended	12 Months Ended
	Dec. 31, 2011	Dec. 31, 2011	Dec. 31, 2010
Series A 6% Convertible Preferred Stock
Schedule Of Convertible Preferred Stock Dividend [Line Items]
Dividends declared on the Series A Convertible Preferred Stock	$ 375	$ 16,000	$ 60,000