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Operating Leases
12 Months Ended
Jun. 30, 2016
Leases [Abstract]  
Operating Leases
Operating Leases

We have no non-cancellable operating leases. Our operating leases relate primarily to well and compressor station site leases and are cancellable at our option. Rental expense under operating leases was $78,000, $69,000 and $68,000 for the years ended June 30, 2016, 2015 and 2014, respectively.