Long-Term Debt - Summary of Long-Term Debt (Detail) - USD ($) $ in Thousands	Mar. 31, 2016	Feb. 16, 2016	Jun. 30, 2015
Debt Instrument [Line Items]
Capital lease obligations and other	$ 36		$ 137
Total	11,444		12,045
Total	11,444		12,045
Less current maturities	(8,123)		(816)
Total Long-term debt, excluding current maturities, total	3,321		11,229
Trace RDA Loan [Member]
Debt Instrument [Line Items]
RDA Loan	7,821		8,175
SHPP RDA Loan [Member]
Debt Instrument [Line Items]
RDA Loan	1,960		1,992
Carmichael Notes [Member]
Debt Instrument [Line Items]
Carmichael Notes	$ 1,627	$ 1,257	$ 1,741

Amount equal to the present value (the principal) at the beginning of the lease term of minimum lease payments during the lease term (excluding that portion of the payments representing executory costs such as insurance, maintenance, and taxes to be paid by the lessor, together with any profit thereon) net of payments or other amounts applied to the principal through the balance sheet date.

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