Comprised Deferred Tax Liabilities and Assets (Detail) (USD $) In Thousands, unless otherwise specified	Jun. 30, 2013	Jun. 30, 2012
Deferred tax liabilities:
Change in accounting method adjustments	$ (1,607)	$ (2,411)
Total deferred tax liabilities	(1,607)	(2,411)
Deferred tax assets:
Tax carried forward losses	2,463	4,153
Share-based payments	1,057	458
Consultant and other accruals	29	27
Fixed and intangible assets	12,315	7,656
Compensation accruals	240	161
Capital loss carryforward	26,382	26,382
Total deferred tax assets	42,486	38,837
Valuation allowance for deferred tax assets	(40,879)	(36,426)
Net deferred tax assets and liabilities