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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