Inventories (Details) (USD $)	Dec. 31, 2013	Sep. 30, 2013
Inventory [Line Items]
Component parts	$ 3,994,346	$ 3,795,919
Finished goods	4,031,044	5,302,761
Subtotal	8,025,390	9,098,680
Reserve for anticipated sales returns at cost	1,380,368	1,380,368
Total	$ 9,405,758	$ 10,479,048

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

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Amount of valuation reserve for inventory.

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