Note 15 - Income Taxes (Details) - Significant Components of Deferred Tax Assets - USD ($) $ in Thousands	May. 31, 2015	Aug. 31, 2014
Current
Receivable reserve	$ 588	$ 597
Deferred rent	707	1,067
Other	475	177
Net current deferred tax assets	1,770	1,841
Non-current
Depreciation on property, equipment and leasehold improvements	10,382	9,831
Deferred rent	4,640	3,572
Stock-based compensation	16,823	18,160
Purchased intangible assets, including acquired technology	(16,928)	(10,750)
Other	1,614	1,564
Net non-current deferred tax assets	16,531	22,377
Total deferred tax assets	18,301	24,218
Deferred tax liabilities (current)
Other	1,071	0
Net current deferred tax liabilities	1,071	0
Deferred tax liabilities (non-current)
Purchased intangible assets, including acquired technology	1,896	3,478
Stock-based compensation	0	(860)
Depreciation on property, equipment and leasehold improvements	(182)	0
Other	(3)	303
Net non-current deferred tax liabilities	1,711	2,921
Total deferred tax liabilities	$ 2,782	$ 2,921