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Subsequent Events	3 Months Ended
Subsequent Events	Mar. 31, 2013
Subsequent Events [Abstract]
Subsequent Events	Subsequent Events The Company evaluates subsequent events through the date on which the financial statements are issued. As described in Note 7, 659,926 shares of convertible preferred stock, which were issued in connection with the acquisition of Caliburn, were converted into common stock on April 1, 2013. On April 11, 2013, the Board of Directors of the Company declared a quarterly dividend of $0.45 per share. The dividend will be payable on June 19, 2013 to the common stockholders of record on June 5, 2013. Effective May 1, 2013, the maturity date of the revolving bank loan facility was extended to April 30, 2014.