XML 27 R15.htm IDEA: XBRL DOCUMENT v3.2.0.727
Debt - Additional Information (Detail) - Revolving Credit Facility
3 Months Ended
May. 08, 2015
USD ($)
Jun. 30, 2015
USD ($)
JPMorgan Chase Bank N.A.    
Line of Credit Facility [Line Items]    
Line of credit facility, maximum borrowing capacity $ 5,000,000  
Line of credit facility, initiation date   May 08, 2015
Line of credit facility, expiry date Apr. 30, 2016 Apr. 30, 2016
Line of credit facility, amount outstanding   $ 0
Maximum    
Line of Credit Facility [Line Items]    
Line of credit facility covenant terms minimum tangible net worth $ 57,000,000  
Financial covenant for net income for any period of four consecutive fiscal quarters $ 1  
Minimum    
Line of Credit Facility [Line Items]    
Ratio of total liabilities to tangible net worth 1