Annual report pursuant to Section 13 and 15(d)

Income Taxes - Deferred Tax Assets and Liabilities (Details)

v2.4.0.8
Income Taxes - Deferred Tax Assets and Liabilities (Details) (USD $)
In Thousands, unless otherwise specified
Jun. 30, 2013
Jun. 30, 2012
Deferred tax liabilities    
Land, buildings and equipment $ (4,132) $ (2,767)
Stepped up basis of oil and gas properties 0 (550)
Australian petroleum resource rent tax - income tax effect (2,165) (1,785)
Other items (237) (261)
Total deferred tax liabilities (6,534) (5,363)
Deferred tax assets    
Asset retirement obligations 2,194 2,210
Net operating losses, capital losses, and foreign tax credit carry forwards 31,354 28,139
Australian petroleum resource rent tax 13,145 5,951
United Kingdom exploration costs and net operating losses 3,777 3,224
Stock option compensation 1,971 1,851
Interest 0 539
Australian capitalized legal costs 343 514
Other items 557 579
Total deferred tax asset 53,341 43,007
Valuation allowance (39,590) (31,693)
Net long term deferred tax asset $ 7,217 $ 5,951