Consolidated Statements Of Cash Flows - USD ($) $ in Thousands	12 Months Ended
	Aug. 31, 2020	Aug. 31, 2019	Aug. 31, 2018
CASH FLOWS FROM OPERATING ACTIVITIES
Net loss	$ (9,435)	$ (1,023)	$ (5,887)
Adjustments to reconcile net loss to net cash provided by operating activities:
Depreciation and amortization	11,270	11,359	10,525
Amortization of capitalized curriculum development costs	3,949	4,954	5,280
Deferred income taxes	9,094	(1,051)	(2,535)
Stock-based compensation expense	(573)	4,789	2,846
Change in the fair value of contingent consideration liabilities	(49)	1,334	1,014
Amortization of right-of-use operating lease assets	331
Changes in assets and liabilities, net of effect of acquired business:
Decrease (increase) in accounts receivable, net	17,142	(1,770)	(5,679)
Decrease (increase) in inventories	552	(260)	157
Decrease in receivable from related party	26	535	213
Decrease (increase) in prepaid expenses and other assets	(767)	32	(1,335)
Increase (decrease) in accounts payable and accrued liabilities	(5,464)	2,932	1,746
Increase in deferred revenue	2,806	8,828	11,613
Increase (decrease) in income taxes payable/receivable	(794)	889	109
Decrease in other liabilities	(525)	(1,096)	(1,206)
Net cash provided by operating activities	27,563	30,452	16,861
CASH FLOWS FROM INVESTING ACTIVITIES
Purchases of property and equipment	(4,183)	(4,153)	(6,528)
Capitalized curriculum development costs	(5,082)	(2,688)	(2,998)
Purchase of note receivable from bank (Note 17)	(2,600)
Acquisition of businesses, net of cash acquired		(32)	(1,108)
Net cash used for investing activities	(11,865)	(6,873)	(10,634)
CASH FLOWS FROM FINANCING ACTIVITIES
Proceeds from line of credit borrowings	14,870	82,282	93,391
Payments on line of credit borrowings	(14,870)	(93,619)	(86,431)
Proceeds from term notes payable financing	5,000	20,000
Principal payments on term notes payable	(5,000)	(12,813)	(6,250)
Principal payments on financing obligation	(2,335)	(2,092)	(1,868)
Purchases of common stock for treasury	(13,971)	(12)	(2,006)
Payment of contingent consideration liabilities	(1,297)	(653)	(2,323)
Proceeds from sales of common stock held in treasury	1,046	975	808
Net cash used for financing activities	(16,557)	(5,932)	(4,679)
Effect of foreign currency exchange rates on cash and cash equivalents	297	(101)	(319)
Net increase (decrease) in cash and cash equivalents	(562)	17,546	1,229
Cash and cash equivalents at beginning of the year	27,699	10,153	8,924
Cash and cash equivalents at end of the year	27,137	27,699	10,153
Supplemental disclosure of cash flow information:
Cash paid for income taxes	2,057	1,778	2,512
Cash paid for interest	2,280	2,386	2,655
Non-cash investing and financing activities:
Purchases of property and equipment financed by accounts payable	35	410	$ 1,018
License rights acquired through royalties payable financing	4,009
Use of notes receivable to modify revenue contract (Note 17)	$ 3,246
Consideration for business acquisition from liabilities of acquiree		$ 798