Basis of Presentation and Significant Accounting Policies - Inventories (Detail) (USD $)	Mar. 31, 2014	Dec. 31, 2013
Inventories
Raw material	$ 1,109,480	$ 1,056,054
Work in process	2,782,614	3,034,321
Finished goods	3,213,918	2,370,676
Inventory, Total	$ 7,106,012	$ 6,461,051

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Amount before valuation and LIFO reserves of completed merchandise or goods expected to be sold within one year or operating cycle, if longer.

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