Equity and Stock Based-Compensation (Details 2) (Restricted Stock [Member], USD $)	12 Months Ended
	Dec. 31, 2011
Restricted Stock [Member]
Summary of Restricted Stock activity
Outstanding at beginning of year	220,000
Average Grant Date Fair Value, Non-vested restricted stock at beginning of year	$ 7.60
Number of Shares, Granted	244,000
Average Grant Date Fair Value Granted	$ 8.43
Number of Shares, Vested	(6,000)
Average Grant Date Fair Value, Vested	$ 23.42
Number of Shares, Forfeited	(19,000)
Average Grant Date Fair Value, Forfeited	$ 7.66
Outstanding at end of year	439,000
Average Grant Date Fair Value, Non-vested restricted stock at end of year	$ 7.83