Inventories (Details) (USD $)	Dec. 31, 2014	Dec. 31, 2013
Summary of composition of inventories
Raw materials	$ 3,365,093us-gaap_InventoryRawMaterials	$ 3,262,769us-gaap_InventoryRawMaterials
Finished goods	5,021,536us-gaap_InventoryFinishedGoods	4,407,421us-gaap_InventoryFinishedGoods
Inventories, gross	8,386,629us-gaap_InventoryGross	7,670,190us-gaap_InventoryGross
Inventory reserves	(277,296)us-gaap_InventoryValuationReserves	(302,296)us-gaap_InventoryValuationReserves
Inventories, net	$ 8,109,333us-gaap_InventoryNet	$ 7,367,894us-gaap_InventoryNet

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.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Regulation S-X (SX)

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Reference 2: http://www.xbrl.org/2003/role/presentationRef

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Amount of valuation reserve for inventory.

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