Note 4 - Fair Value Measurements (Tables)

6 Months Ended

Mar. 01, 2014

Disclosure Text Block [Abstract]

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

	As of March 1, 2014
	Level 1		Level 2		Level 3		Fair Value
Assets:
Cash equivalents	$	31,828	$	—	$	—	$	31,828
Total	$	31,828	$	—	$	—	$	31,828

	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