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Equity Incentive Plan - Narrative (Detail) (2008 Equity Incentive Plan, USD $)
In Thousands, except Share data, unless otherwise specified
0 Months Ended 12 Months Ended
Apr. 29, 2008
Jun. 30, 2014
Jun. 30, 2013
Jun. 30, 2012
Stock Options
       
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Shares authorized for grant (in shares)   794,987    
Stock options granted (in shares) 595,000 10,000    
Share-based compensation award, maximum term 10 years      
Stock options, vesting period 5 years      
Percentage of shares vesting annually 20.00%      
Stock options, exercise price (USD per share)   $ 16.49    
Stock options available for grant under stock option plan (in shares)   188,987    
Share-based compensation expense, stock options   $ 37 $ 256 $ 330
Recognized tax benefit related to share-based compensation   13 63 84
Unrecognized stock-based compensation expense related to nonvested options   133    
Unrecognized stock-based compensation expense, recognition period   3 years 3 months 15 days    
Intrinsic value of stock options outstanding   2,484    
Intrinsic value of stock options exercisable   2,323    
Intrinsic value of stock options exercised   656    
Stock Options | Chief Executive Officer
       
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Stock options, vesting period 4 years      
Percentage of shares vesting annually 25.00%      
Stock Options | Employee
       
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Stock options granted (in shares)   10,000 35,000  
Stock options, vesting period   5 years 5 years  
Stock options, exercise price (USD per share)   $ 16.49 $ 12.51  
Restricted Stock
       
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Shares authorized for grant (in shares)   317,996    
Stock options, vesting period     5 years  
Recognized tax benefit related to share-based compensation   1 105 42
Unrecognized stock-based compensation expense, recognition period   3 years 1 month 6 days    
Shares granted (in shares)   0 3,000  
Fair value per share at grant date     $ 12.51  
Share-based compensation expense, restricted stock   9 247 596
Total unrecognized compensation cost related to nonvested restricted stock awards   8    
Shares vested, aggregate fair value   $ 9    
Restricted Stock | Minimum
       
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Percentage of shares vesting annually   20.00%    
Restricted Stock | Maximum
       
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Percentage of shares vesting annually   25.00%