Inventories (Schedule Of Inventories) (Details) (USD $)	Dec. 31, 2014	Mar. 31, 2014
Inventories [Abstract]
Raw materials	$ 7,269,887us-gaap_InventoryRawMaterials	$ 7,537,189us-gaap_InventoryRawMaterials
Work-in-process	129,920us-gaap_InventoryWorkInProcess	84,178us-gaap_InventoryWorkInProcess
Finished products	2,251,962us-gaap_InventoryFinishedGoods	2,433,055us-gaap_InventoryFinishedGoods
Inventories, Total	$ 9,651,769us-gaap_InventoryNet	$ 10,054,422us-gaap_InventoryNet

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

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

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

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-Publisher SEC

-Name Regulation S-X (SX)

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