Annual report pursuant to Section 13 and 15(d)

Asset Retirement Obligations (Details)

v3.5.0.2
Asset Retirement Obligations (Details) - USD ($)
$ in Thousands
12 Months Ended
Jun. 30, 2016
Jun. 30, 2015
Asset Retirement Obligation Disclosure [Abstract]    
Ownership percentage sold 40.00%  
Asset Retirement Obligation, Roll Forward Analysis [Roll Forward]    
Fiscal year opening balance $ 0 $ 397
Sale of assets 0 (346)
Effect of exchange rate changes 0 (51)
Fiscal year closing balance 0 0
Less current asset retirement obligations 0 0
Long-term asset retirement obligations $ 0 $ 0