Condensed Consolidated Statements Of Cash Flows - USD ($) $ in Thousands	6 Months Ended
	Feb. 28, 2021	Feb. 29, 2020
CASH FLOWS FROM OPERATING ACTIVITIES
Net income (loss)	$ (938)	$ 553
Adjustments to reconcile net income (loss) to net cash provided by operating activities:
Depreciation and amortization	5,746	5,613
Amortization of capitalized curriculum costs	1,750	2,029
Stock-based compensation	2,757	3,644
Deferred income taxes	(198)	(2,012)
Change in fair value of contingent consideration liabilities	46	(91)
Amortization of right-of-use operating lease assets	509
Loss on disposal of assets		38
Changes in assets and liabilities:
Decrease in accounts receivable, net	14,978	24,556
Decrease in inventories	346	681
Increase in prepaid expenses and other assets	(344)	(180)
Decrease in accounts payable and accrued liabilities	(244)	(6,959)
Decrease in deferred revenue	(1,497)	(8,888)
Decrease in income taxes payable/receivable	(87)	(1,605)
Decrease in other long-term liabilities	(912)	(6)
Net cash provided by operating activities	21,912	17,373
CASH FLOWS FROM INVESTING ACTIVITIES
Purchases of property and equipment	(877)	(2,516)
Curriculum development costs	(1,292)	(2,232)
Purchase of note receivable from bank		(2,600)
Net cash used for investing activities	(2,169)	(7,348)
CASH FLOWS FROM FINANCING ACTIVITIES
Proceeds from term notes payable		5,000
Principal payments on term notes payable	(2,500)	(2,500)
Principal payments on financing obligation	(1,269)	(1,139)
Purchases of common stock for treasury	(2,971)	(13,833)
Payment of contingent consideration liabilities	(540)	(911)
Proceeds from sales of common stock held in treasury	464	484
Net cash used for financing activities	(6,816)	(12,899)
Effect of foreign currency exchange rates on cash and cash equivalents	279	(15)
Net increase (decrease) in cash and cash equivalents	13,206	(2,889)
Cash and cash equivalents at the beginning of the period	27,137	27,699
Cash and cash equivalents at the end of the period	40,343	24,810
Supplemental disclosure of cash flow information:
Cash paid for income taxes	788	1,381
Cash paid for interest	1,085	1,144
Non-cash investing and financing activities:
Purchases of property and equipment financed by accounts payable	48	985
Acquisition of right-of-use operating lease assets for operating lease liabilities	$ 885
Use of notes receivable to modify revenue contract		$ 3,246