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Equity (Recognized Stock-Based Compensation) (Details) (USD $)	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Share-based Compensation [Abstract]
Share-based compensation expense	$ 6,009,176	$ 2,538,721	$ 1,659,083
Cost of Products Sold
Share-based Compensation [Abstract]
Share-based compensation expense	279,215	97,970	98,366
Research and Development
Share-based Compensation [Abstract]
Share-based compensation expense	417,436	289,341	254,997
Selling, General and Administrative
Share-based Compensation [Abstract]
Share-based compensation expense	$ 5,312,525	$ 2,151,410	$ 1,305,720

Represents the expense recognized during the period arising from equity-based compensation arrangements (for example, shares of stock, unit, stock options or other equity instruments) with employees, directors and certain consultants qualifying for treatment as employees.

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