Long-Term Debt (Trace RDA Loan and Trace Working Capital Loan) - Additional Information (Detail) - USD ($) $ in Thousands	12 Months Ended
	Jun. 30, 2017	Jun. 30, 2016	Jul. 11, 2012
Debt Instrument [Line Items]
Indebtedness under the loan, net of unamortized debt costs	$ 6,710	$ 7,473
Trace RDA Loan [Member]
Debt Instrument [Line Items]
Working Capital Loan Agreement, initiation date	Jul. 11, 2012
Working capital expiration date	Jul. 02, 2016
Debt instrument maturity period	15 years
Floating rate of interest, spread	1.50%
Floating rate of interest equal to the greater of (i) the prime rate (as published in The Wall Street Journal) plus variable or (ii) stated	6.00%
Debt instrument description	Trace RDA Loan bears a floating rate of interest equal to the greater of (i) the prime rate (as published in The Wall Street Journal) plus 1.5%, or (ii) 6%
Indebtedness under the loan, net of unamortized debt costs	$ 6,698	$ 7,159
Covenant terms	Under the Fourth Amendment, the debt service coverage, the fixed charge coverage and funded debt to EBITDA ratios were amended for periods ended December 31, 2016, March 31, 2017 and June 30, 2017 and an additional covenant was entered into requiring the deposit of $1,000 into a blocked interest bearing account with the lender. The deposit, which was made on January 13, 2017, will remain in the blocked account until Trace achieves compliance with financial covenants in effect prior to the Amendment or November 15, 2017
Interest bearing deposit under financial covenant	$ 1,000
Trace RDA Loan [Member] | Minimum [Member]
Debt Instrument [Line Items]
Floating rate of interest equal to the greater of (i) the prime rate (as published in The Wall Street Journal) plus variable or (ii) stated	6.00%
Trace RDA Loan [Member] | Mortgages [Member]
Debt Instrument [Line Items]
Date of loan agreement	Jul. 05, 2012
Loan agreement amount			$ 9,975