Inventories (Details) (USD $)	Dec. 31, 2012	Mar. 31, 2012
Inventories [Abstract]
Raw materials	$ 1,555,721	$ 1,285,106
Work in process	1,713,369	1,658,467
Finished goods	771,433	585,803
Inventory, Gross, Total	4,040,523	3,529,376
Less inventory reserve	(285,000)	(300,000)
Total inventories	$ 3,755,523	$ 3,229,376

Certain changes made in the current period to the value and amount of inventory reported.

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-Publisher FASB

-Name Accounting Standards Codification

-Topic 330

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-Publisher AICPA

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-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

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- Definition

Carrying amount as of the balance sheet date of merchandise or goods held by the company that are readily available for sale.

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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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Carrying amount (lower of cost or market) as of the balance sheet date of inventories less all valuation and other allowances. Excludes noncurrent inventory balances (expected to remain on hand past one year or one operating cycle, if longer).

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Carrying amount as of the balance sheet date of unprocessed items to be consumed in the manufacturing or production process. Also includes purchased parts that will be used as components of a finished product.

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Carrying amount as of the balance sheet date of merchandise or goods which are partially completed, are generally comprised of raw materials, labor and factory overhead costs, and which require further materials, labor and overhead to be converted into finished goods, and which generally require the use of estimates to determine percentage complete and pricing.

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