Stockholders' Equity and Employee Stock Option Plans (Details Textual) (USD $)	36 Months Ended
	Mar. 31, 2011	Dec. 31, 2013	Dec. 31, 2012	Apr. 01, 2011
Stockholders' Equity and Employee Stock Option Plans [Abstract]
Preferred Stock, Shares Authorized		5,000,000	5,000,000
Preferred Stock, Par or Stated Value Per Share		$ 0.01	$ 0.01
Common Stock, Shares Authorized		100,000,000	100,000,000
Common Stock, Par or Stated Value Per Share		$ 0.01	$ 0.01
Common Stock, Shares, Outstanding		43,351,850	43,050,952
Stock Repurchase Program, Number of Shares Authorized to be Repurchased		3,000,000
Treasury Stock, Shares				750,000
Treasury Stock, Value	$ 8.9