Inventories (Details) - USD ($)	Sep. 30, 2015	Dec. 31, 2014
Summary of composition of inventories
Raw materials	$ 3,888,744	$ 3,365,093
Finished goods	5,799,544	5,021,536
Inventories, gross	9,688,288	8,386,629
Inventory reserves	(311,046)	(277,296)
Inventories, net	$ 9,377,242	$ 8,109,333

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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