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Stock-Based Compensation - Additional Information (Detail) (USD $)
3 Months Ended 9 Months Ended
Mar. 29, 2014
Mar. 30, 2013
Mar. 29, 2014
Mar. 30, 2013
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Number of shares of common stock available for grant 401,000   401,000  
Stock-based compensation $ 500,000 $ 100,000 $ 1,640,000 $ 670,000
Weighted average grant-date fair values of the options $ 10.36 $ 2.29 $ 2.91 $ 2.33
Shares purchased under ESPP     $ 2.62 $ 1.31
Dividend yield     0.00%  
Assumed annualized forfeiture rate     5.00%  
Restricted stock units granted     7,000  
Total unrecognized compensation cost related to non-vested stock options granted and outstanding $ 1,100,000   $ 1,100,000  
Director Option Plan [Member] | Annual Non-Employee Director Grant [Member] | Prior to March 2010 [Member]
       
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Share-based compensation arrangement by share-based payment award, award vesting period     4 years  
Cliff vest percentage on the anniversary of the grant     25.00%  
Director Option Plan [Member] | Annual Non-Employee Director Grant [Member] | From March 2010 [Member]
       
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Annual option grants     6,000  
Director Option Plan [Member] | Initial Non-Employee Director Grant [Member] | From March 2010 [Member]
       
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Annual option grants     10,000  
Share-based compensation arrangement by share-based payment award, award annual vesting percentage     50.00%  
Stock Option Plans [Member]
       
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Stock option contractual term     10 years  
Share-based compensation arrangement by share-based payment award, award vesting period     4 years  
Options outstanding, weighted average remaining contractual life     2 years 6 months  
Restricted Stock and RSU [Member]
       
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Share-based compensation arrangement by share-based payment award, award vesting period     2 years  
ESPP [Member]
       
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Discount percentage, ESPP 15.00%   15.00%  
Plan-defined purchase date intervals     6 months  
Shares available for issuance under employee stock purchase plan     344,000  
Restricted Stock Units (RSUs) [Member]
       
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Restricted stock units granted     112,500