Note 15 - Income Taxes (Details) - Significant Components of Deferred Tax Assets (USD $) In Thousands, unless otherwise specified	Aug. 31, 2013	Aug. 31, 2012
Current
Receivable reserve	$ 614	$ 687
Deferred rent	2,191	3,175
Deferred fees	(2)	1,223
Net current deferred taxes	2,803	5,085
Non-current
Depreciation on property, equipment and leasehold improvements	6,329	2,498
Deferred rent	2,772	2,782
Stock-based compensation	19,828	23,395
Purchased intangible assets, including acquired technology	(8,401)	(6,801)
Other	1,495	1,239
Net non-current deferred taxes	(2,396)	(2,593)
Total deferred tax assets	24,826	28,198
Deferred tax liabilities (non-current)
Purchased intangible assets, including acquired technology	2,761	2,936
Stock-based compensation	(365)	(343)
Total deferred tax liabilities (non-current)	$ 2,396	$ 2,593