General Information (Details) (USD $) In Thousands, except Per Share data, unless otherwise specified	3 Months Ended
	Mar. 31, 2012	Mar. 31, 2011
Income (loss):
Net loss	$ (2,909)	$ (1,167)
Less: Distributions on participating securities
Less: Undistributed income allocated to participating securities
Basic	(2,909)	(1,167)
Diluted	$ (2,909)	$ (1,167)
Shares:
Weighted-average common shares outstanding, basic	25,997	25,679
Dilutive effect of stock options and restricted stock awards
Diluted	25,997	25,679
Income (loss) per common share:
Basic	$ (0.11)	$ (0.05)
Diluted	$ (0.11)	$ (0.05)
General Information (Textual) [Abstract]
Dilutive Effect of stock options or restricted stock on basic and diluted loss per share