Stockholders' Equity (Details) (USD $) In Thousands, except Share data, unless otherwise specified	0 Months Ended			3 Months Ended		6 Months Ended
	Apr. 05, 2012	Mar. 14, 2012	May 19, 2011	Jun. 30, 2012	Jun. 30, 2011	Jun. 30, 2012	Jun. 30, 2011	Dec. 31, 2011	Jun. 30, 2012 Series A Junior Participating Preferred Stock [Member]	Jul. 20, 2012 Subsequent Event [Member] Series A Junior Participating Preferred Stock [Member]	Jul. 20, 2012 Dividend Declared [Member] Subsequent Event [Member]
Class of Stock [Line Items]
Class of Warrant or Right, Number of Securities Called by Warrants or Rights											1
Common stock, par value				$ 0.0001		$ 0.0001		$ 0.0001
Preferred Stock, Par or Stated Value Per Share									$ 0.0001
Class of Warrant or Right, Exercise Price of Warrants or Rights										27.00
Common Stock, Dividends, Per Share, Declared		$ 0.05		$ 0.00	$ 0.00	$ 0.05	$ 0.00
Dividends, Common Stock, Cash	$ 518
Treasury Stock, Shares, Acquired			212,083
Treasury Stock Acquired, Stated Cost Per Share			$ 2.00
Treasury Stock, Value			$ 431
Treasury Stock Acquired, Average Cost Per Share			$ 2.03