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Employee Savings and Investment Plan
12 Months Ended
Jun. 30, 2015
Postemployment Benefits [Abstract]  
Employee Savings and Investment Plan
10.   Employee Savings and Investment Plan

The Company maintains a 401(k) savings and investment plan in which all U.S. employees are eligible to participate. The Company matches employees’ contributions up to a specified amount each year. In fiscal 2015, 2014 and 2013, the Company expensed $55,000, $46,000 and $46,000 in 401(k) matching benefits.