CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS (Unaudited) - USD ($) $ in Thousands	3 Months Ended
	Nov. 30, 2021	Nov. 30, 2020
Cash flows from operating activities
Net income	$ 3,026	$ 2,479
Adjustments to reconcile net income to net cash provided by operating activities
Depreciation and amortization	845	865
Change in value of contingent consideration	121	121
Amortization of investment premiums	610	630
Stock-based compensation	722	532
Deferred income taxes	387	47
Currency translation adjustments	(237)	0
Increase (decrease) in
Accounts receivable	(1,972)	91
Revenue in excess of billings	1,667	256
Prepaid income taxes	428	410
Prepaid expenses and other assets	21	(141)
Accounts payable	(368)	(15)
Accrued payroll and other expenses	(1,637)	49
Billings in excess of revenue	(65)	65
Deferred revenue	34	(56)
Net cash provided by operating activities	3,582	5,333
Cash flows provided by (used in) investing activities
Purchases of property and equipment	(561)	(205)
Purchases of short-term investments	(12,717)	(30,959)
Proceeds from sale of short-term investments	16,067	6,018
Capitalized computer software development costs	(838)	(728)
Net cash provided by (used in) investing activities	1,951	(25,874)
Cash flows used in financing activities
Payment of dividends	(1,209)	(1,195)
Proceeds from the exercise of stock options	372	180
Net cash used in financing activities	(837)	(1,015)
Net increase (decrease) in cash and cash equivalents	4,696	(21,556)
Cash and cash equivalents, beginning of year	36,984	49,207
Cash and cash equivalents, end of period	41,680	27,651
Supplemental disclosures of cash flow information
Income taxes paid	$ 23	$ 57