Inventories (Details) (USD $)	Dec. 31, 2013	Dec. 31, 2012
Summary of composition of inventories
Raw materials	$ 3,262,769	$ 4,055,812
Finished goods	4,407,421	5,472,771
Inventories, gross	7,670,190	9,528,583
Inventory reserves	(302,296)	(271,994)
Inventories, net	$ 7,367,894	$ 9,256,589

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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Gross amount, as of the balance sheet date, of merchandise, goods, commodities, or supplies held for future sale or to be used in manufacturing, servicing or production process.

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Amount after valuation and LIFO reserves of inventory expected to be sold, or consumed within one year or operating cycle, if longer.

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Amount before valuation and LIFO reserves of raw materials expected to be sold, or consumed within one year or operating cycle, if longer.

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Amount of valuation reserve for inventory.

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