Consolidated Statements Of Cash Flows - USD ($) $ in Thousands	12 Months Ended
	Aug. 31, 2018	Aug. 31, 2017	Aug. 31, 2016
CASH FLOWS FROM OPERATING ACTIVITIES
Net income (loss)	$ (5,887)	$ (7,172)	$ 7,016
Adjustments to reconcile net income (loss) to net cash provided by operating activities:
Depreciation and amortization	10,525	7,443	6,943
Amortization of capitalized curriculum development costs	5,280	3,745	3,865
Deferred income taxes	(2,535)	(5,594)	1,854
Stock-based compensation expense	2,846	3,658	3,121
Excess tax expense (benefit) from stock-based compensation		(168)	52
Increase (decrease) in contingent consideration liabilities	1,014	(1,936)	1,538
Changes in assets and liabilities, net of effect of acquired business:
Decrease (increase) in accounts receivable, net	(5,679)	164	(576)
Decrease (increase) in inventories	157	1,583	(908)
Decrease in receivable from related party	213	1,421	820
Increase in prepaid expenses and other assets	(1,335)	(4,861)	(1,119)
Increase in accounts payable and accrued liabilities	1,746	676	2,264
Increase in deferred revenue	11,613	19,142	8,112
Increase (decrease) in income taxes payable/receivable	109	(249)	(316)
Decrease in other liabilities	(1,206)	(495)	(1)
Net cash provided by operating activities	16,861	17,357	32,665
CASH FLOWS FROM INVESTING ACTIVITIES
Purchases of property and equipment	(6,528)	(7,187)	(3,993)
Capitalized curriculum development costs	(2,998)	(6,466)	(2,236)
Acquisition of businesses, net of cash acquired	(1,108)	(7,272)
Acquisition of license rights		(750)
Net cash used for investing activities	(10,634)	(21,675)	(6,229)
CASH FLOWS FROM FINANCING ACTIVITIES
Proceeds from line of credit borrowings	93,391	34,320	46,454
Payments on line of credit borrowings	(86,431)	(29,943)	(46,454)
Proceeds from term notes payable financing		10,000	15,000
Principal payments on term notes payable	(6,250)	(5,000)	(937)
Principal payments on financing obligation	(1,868)	(1,662)	(1,472)
Purchases of common stock for treasury	(2,006)	(5,431)	(43,586)
Payment of contingent consideration liabilities	(2,323)		(2,167)
Income tax benefit (expense) recorded in paid-in capital		168	(52)
Proceeds from sales of common stock held in treasury	808	682	679
Net cash provided by (used for) financing activities	(4,679)	3,134	(32,535)
Effect of foreign currency exchange rates on cash and cash equivalents	(319)	(348)	321
Net increase (decrease) in cash and cash equivalents	1,229	(1,532)	(5,778)
Cash and cash equivalents at beginning of the year	8,924	10,456	16,234
Cash and cash equivalents at end of the year	10,153	8,924	10,456
Supplemental disclosure of cash flow information:
Cash paid for income taxes	2,512	2,562	3,410
Cash paid for interest	2,655	2,314	2,231
Non-cash investing and financing activities:
Purchases of property and equipment financed by accounts payable	$ 1,018	$ 697	$ 334