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3. Stock-Based Compensation - Schedule of Summary of Restricted Stock Units (Details) - Restricted Stock Units (RSUs) [Member]
9 Months Ended
Mar. 25, 2018
shares
Unvested at June 25, 2017 487,950
Granted 0
Vested 0
Forfeited (34,730)
Unvested at March 25, 2018 453,220