Note 3 - Fair Value Measurements (Tables)

12 Months Ended

Aug. 31, 2013

Disclosure Text Block [Abstract]

Schedule of Fair Value, Assets and Liabilities Measured on Recurring Basis [Table Text Block]

	As of August 31, 2013
	Level 1		Level 2		Level 3		Fair Value
Assets:
Cash equivalents	$	33,325	$	—	$	—	$	33,325
Total	$	33,325	$	—	$	—	$	33,325

	As of August 25, 2012
	Level 1		Level 2		Level 3		Fair Value
Assets:
Cash equivalents	$	34,978	$	—	$	—	$	34,978
Total	$	34,978	$	—	$	—	$	34,978