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Stockholders' Equity - Additional Information (Detail) In Thousands, unless otherwise specified	1 Months Ended		3 Months Ended		6 Months Ended			1 Months Ended
	Aug. 25, 2011	Jun. 24, 2010	Jun. 30, 2012 USD ($)	Jun. 30, 2011 USD ($)	Jun. 30, 2012 USD ($)	Jun. 30, 2011 USD ($)	Jun. 30, 2012	Jun. 24, 2010 Maximum	Jun. 24, 2010 Before amendment	Jun. 24, 2010 After amendment
Stockholders Equity Note [Line Items]
Reverse stock split ratio	18
Weighted average exercise price of warrants							1.44
Weighted average remaining life of warrants							3 years
Shares issuable under Stock Option Plan									20,000	6,290
Shares issuable under Stock Option Plan, as percent of shares outstanding		25.00%
Options vesting period								3 years
Options exercisable period		7 years
Stock based compensation expense, stock option			$ 52	$ 49	$ 52	$ 49
Expected dividend rate			0.00%	0.00%
Risk-free interest rate, lower			1.125%	2.50%
Risk-free interest rate, upper			1.25%	2.59%
Expected volatility rate, lower rate			132.00%
Expected volatility rate, upper rate			133.00%
Expected volatility rate				134.70%
Expected life			7 years	7 years
Options issued to contractors						107,677

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