Stockholder Rights Plan (Details) (USD $)	12 Months Ended
	Dec. 31, 2011
Stockholder Rights Plan (Textual) [Abstract]
Portion of preferred share purchase right entitled to holder	0.001
Purchase price of preferred stock as per plan	$ 150.00
Number of votes entitled to common stock	One
Percentage common stock to acquired to exercise stock rights	20.00%
Price worth of surviving company common stock	$ 300.00
Redemption price of stock holder rights plan	$ 0.01
Percentage of beneficial ownership	20.00%