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Stockholders' Equity (Allocation of Restricted Share Unit Compensation Expense) (Details) (Restricted share units [Member], USD $)	3 Months Ended
	Mar. 31, 2013	Mar. 31, 2012
Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Line Items]
Restricted share unit compensation expense	$ 531,596	$ 89,322
Cost of sales [Member]
Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Line Items]
Restricted share unit compensation expense		5,198
Selling, general and administrative expenses [Member]
Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Line Items]
Restricted share unit compensation expense	$ 531,596	$ 84,124

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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