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Long-Term Debt (Trace RDA Loan and Trace Working Capital Loan) - Additional Information (Detail) - USD ($)
$ in Thousands
3 Months Ended
Sep. 30, 2017
Jun. 30, 2017
Debt Instrument [Line Items]    
Indebtedness net of debt issuance costs $ 6,589 $ 6,710
Trace RDA Loan [Member]    
Debt Instrument [Line Items]    
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   $ 6,698
Indebtedness net of debt issuance costs $ 6,582  
Covenant terms Under the Fourth Amendment to Loan Agreement and Waiver dated January 6, 2017, the debt service coverage, the fixed charge coverage and funded debt to EBITDA ratios were amended for periods ended December 31, 2016, September 30, 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]    
Loan agreement amount $ 9,975  
Date of loan agreement Jul. 05, 2012