Commitments and Contingencies - Leases (Detail) (USD $)	Jun. 30, 2012
Property Subject to or Available for Operating Lease [Line Items]
Minimum lease rentals due year ending June 30, 2013	$ 39,000
Minimum lease rentals due year ending June 30, 2014	16,000
Minimum lease rentals due year ending June 30, 2015	6,000
Minimum lease rentals due year ending June 30, 2016	1,000
Total future minimum rentals	$ 62,000

Amount of required minimum rental payments for leases having an initial or remaining non-cancelable letter-terms in excess of one year.

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Amount of required minimum rental payments maturing in the next fiscal year following the latest fiscal year for operating leases having an initial or remaining non-cancelable letter-terms in excess of one year.

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Amount of required minimum rental payments maturing in the forth fiscal year following the latest fiscal year for operating leases having an initial or remaining non-cancelable letter-terms in excess of one year.

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Amount of required minimum rental payments maturing in the third fiscal year following the latest fiscal year for operating leases having an initial or remaining non-cancelable letter-terms in excess of one year.

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Amount of required minimum rental payments maturing in the second fiscal year following the latest fiscal year for operating leases having an initial or remaining non-cancelable letter-terms in excess of one year.

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