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Bank Borrowings - Additional Information (Detail) (USD $)
 1 Months Ended 6 Months Ended 12 Months Ended 1 Months Ended 12 Months Ended 1 Months Ended 1 Months Ended
Dec. 31, 2012
Mar. 31, 2012
Jun. 27, 2011
Dec. 31, 2012
Jun. 30, 2013
Jun. 30, 2012
Jun. 27, 2011
Comerica Credit Facility
Jun. 30, 2013
Comerica Credit Facility
Jun. 27, 2011
Revolving Line Of Credit
Comerica Credit Facility
Dec. 28, 2012
Term Loan
Jun. 30, 2013
Term Loan
Jun. 30, 2012
Term Loan
Jun. 27, 2011
Term Loan
Comerica Credit Facility
Jun. 27, 2011
Minimum
Comerica Credit Facility
Jun. 27, 2011
Before Amendment Comerica Bank
Loan And Security Agreement
Comerica Credit Facility
Jun. 27, 2011
After Amendment Comerica Bank
Loan And Security Agreement
Comerica Credit Facility
Debt [Line Items]                                
Maximum borrowing capacity under line of credit                 $ 1,500,000              
Percentage of qualified receivables             80.00%                  
Revolving line of credit, maturity date             Jun. 27, 2012                  
Revolving line of credit, interest rate             0.75% 1.00%                
Facility available to pay off existing obligation               5,000,000                
Frequency of payment of principal and interest     36 months             36 months            
Maturity Date   Jun. 29, 2012     Jul. 31, 2013         Jun. 28, 2016     Jun. 15, 2014      
Minimum cash balance               1,000,000                
Liquidity to debt ratio               1.50                
Term of the borrowing arrangement                           12 months    
Extended maturity date                             Jun. 30, 2012 Jul. 31, 2013
Bank borrowings, net of current portion         2,000,000 1,667,000 [1]       3,000,000            
Line of credit facility, Amount outstanding                     4,700,000 3,300,000        
Interest rate                     4.25% 4.25%        
Term loan, Periodic Payment, Principal                   83,333.33            
Repayment of term loan principal amount, beginning period                   Jul. 01, 2013            
Partial repayment on related party notes $ 3,000,000     $ 3,000,000                        
[1] As adjusted, see Note 1