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Assets Held for Sale - Additional Information (Detail) (USD $)	0 Months Ended	12 Months Ended
	Jul. 14, 2010	Jun. 30, 2012	Sep. 30, 2010
Long Lived Assets Held-for-sale [Line Items]
Purchase price of non-core assets	$ 2,400,000
Proceeds from disposed notes	2,000,000
Net proceeds from sale of assets held for sale	2,350,000
Gain on sale of assets held for sale			351,000
Rent for lease		$ 186,000

The difference between the proceeds received and the carrying value of the long-lived asset. If the proceeds received exceeds the carrying value of the long-lived asset, then there is a gain. If the proceeds received is less than the carrying value of the long-lived asset, then there is a loss.

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