Condensed Consolidated Statements Of Cash Flows (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Nov. 30, 2013	Dec. 01, 2012
CASH FLOWS FROM OPERATING ACTIVITIES
Net income	$ 1,719	$ 2,897
Adjustments to reconcile net income to net cash used for operating activities:
Depreciation and amortization	1,773	1,324
Share-based compensation expense	1,262	473
Reduction in estimated earnout liability	(520)
Amortization of capitalized curriculum costs	484	471
Deferred income taxes	459	(56)
Changes in assets and liabilities:
Decrease in accounts receivable, net	5,939	2,510
Decrease (increase) in inventories	(785)	431
Decrease (increase) in receivable from related party	1,274	(510)
Increase in prepaid expenses and other assets	(347)	(570)
Decrease in accounts payable and accrued liabilities	(11,909)	(7,524)
Decrease in income taxes payable	(1,405)	(248)
Increase in other long-term liabilities	82	506
Net cash used for operating activities	(1,974)	(296)
CASH FLOWS FROM INVESTING ACTIVITIES
Purchases of property and equipment	(1,112)	(970)
Curriculum development costs	(2,739)	(493)
Acquisition of business	(1,125)
Net cash used for investing activities	(4,976)	(1,463)
CASH FLOWS FROM FINANCING ACTIVITIES
Payments on notes payable financing		(625)
Principal payments on financing obligation	(277)	(242)
Purchases of common stock for treasury	(3,214)	(1,176)
Proceeds from sales of common stock held in treasury	133	104
Proceeds from exercise of common stock warrants		31
Net cash used for financing activities	(3,358)	(1,908)
Effect of foreign currency exchange rates on cash and cash equivalents	19	(66)
Net decrease in cash and cash equivalents	(10,289)	(3,733)
Cash and cash equivalents at the beginning of the period	12,291	11,011
Cash and cash equivalents at the end of the period	2,002	7,278
Supplemental disclosure of cash flow information:
Cash paid for income taxes	2,054	1,329
Cash paid for interest	560	597
Non-cash investing and financing activities:
Purchases of property and equipment financed by accounts payable	$ 25	$ 24