CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS (Unaudited) - USD ($) $ in Thousands	9 Months Ended
	May 31, 2021	May 31, 2020
Cash flows from operating activities
Net income	$ 9,477	$ 7,144
Adjustments to reconcile net income to net cash provided by operating activities
Depreciation and amortization	2,662	2,134
Change in value of contingent consideration	364	81
Amortization of investment premiums	1,752	0
Stock-based compensation	2,041	1,144
Deferred income taxes	(84)	44
Currency translation adjustments	36	0
Increase (decrease) in
Accounts receivable	(5,540)	(5,269)
Revenues in excess of billings	(790)	396
Prepaid income taxes	478	553
Prepaid expenses and other assets	(6)	7
Accounts payable	(51)	324
Accrued payroll and other expenses	347	27
Accrued income taxes	16	0
Billings in excess of revenues	(14)	(529)
Deferred revenue	242	48
Net cash provided by operating activities	10,930	6,104
Cash flows provided by (used in) investing activities
Purchases of property and equipment	(966)	(106)
Purchases of short-term investments	(63,964)	0
Proceeds from sale of short-term investments	68,068	0
Cash used to acquire subsidiaries	0	(9,471)
Cash received in acquisition	0	3,799
Capitalized computer software development costs	(2,273)	(1,733)
Net cash provided by (used in) investing activities	865	(7,511)
Cash flows used in financing activities
Payment of dividends	(3,603)	(3,181)
Proceeds from the exercise of stock options	1,412	507
Net cash used in financing activities	(2,191)	(2,674)
Net increase (decrease) in cash and cash equivalents	9,604	(4,081)
Cash and cash equivalents, beginning of year	49,207	11,435
Cash and cash equivalents, end of period	58,811	7,354
Supplemental disclosures of cash flow information
Income taxes paid	893	1,614
Non-cash investing and financing activities
Stock issued for acquisition of Lixoft	0	3,261
Creation of contract liabilities for acquisition of subsidiaries	0	4,528
Right-of-use assets capitalized	$ 905	$ 1,471