Note 4 - Fair Value Measurements (Tables)

3 Months Ended

Nov. 30, 2013

Disclosure Text Block [Abstract]

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

	As of November 30, 2013
	Level 1		Level 2		Level 3		Fair Value
Assets:
Cash equivalents	$	33,114	$	—	$	—	$	33,114
Total	$	33,114	$	—	$	—	$	33,114

	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