Long-Term Debt - Summary of Long-Term Debt (Detail) (USD $) In Thousands, unless otherwise specified	Mar. 31, 2014	Jun. 30, 2013
Debt Disclosure [Line Items]
Capital lease obligations	$ 45	$ 90
Total	17,651	18,270
Less current maturities	(9,198)	(9,542)
Total Long-term debt, excluding current maturities, total	8,453	8,728
Callaway RDA Loan [Member]
Debt Disclosure [Line Items]
Long Term Debt	4,828	4,908
Trace RDA Loan [Member]
Debt Disclosure [Line Items]
Long Term Debt	8,733	9,047
Less current maturities	(8,733)	(9,047)
SHPP RDA Loan [Member]
Debt Disclosure [Line Items]
Long Term Debt	2,043	2,073
Carmichael Notes [Member]
Debt Disclosure [Line Items]
Long Term Debt	$ 2,002	$ 2,152