Specific terms relevant to convertibility. Includes class of preferred stock and number of shares convertible into, exercise (or conversion) price or rates, dates relevant to conversion timing and events relevant to conversion. Describe also any beneficial conversion features. where convertible preferred stock with a nondetachable conversion feature is in-the-money at commitment date. For contingently convertible preferred stock, discuss the circumstances of the contingency, including the events or changes in circumstance that would cause the contingency to be met and any of the significant features necessary to understand the conversion rights and the timing of those rights. Include also an events or changes in circumstance, if any, that could adjust or change the contingency, conversion price, or number of shares, including significant terms of those changes.

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+ Details

Earnings Per Share - Additional Information (Details) (Contingent Convertible Preferred Stock)	12 Months Ended		12 Months Ended		12 Months Ended
	Dec. 31, 2012	Apr. 02, 2010 Caliburn Acquisition	Dec. 31, 2010 Tranche One - Performance Stock [Member] Caliburn Acquisition	Apr. 30, 2010 Tranche One - Performance Stock [Member] Caliburn Acquisition	Dec. 31, 2010 Tranche Two - Performance Stock [Member] Caliburn Acquisition	Apr. 30, 2010 Tranche Two - Performance Stock [Member] Caliburn Acquisition
Earnings Per Share Disclosure [Line Items]
Terms of conversion	Shares will potentially convert to shares of the Company’s common stock in tranches of 659,926 shares and 439,951 shares on the third and fifth anniversary of the closing of the Acquisition, respectively, if certain revenue targets are achieved.
Conversion to common stock shares if revenue targets are achieved		1,099,877		659,926		439,951
Revenue target period			3 years		5 years