CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS (Unaudited) - USD ($) $ in Thousands	6 Months Ended
	Feb. 28, 2022	Feb. 28, 2021
Cash flows from operating activities
Net income	$ 7,435	$ 5,690
Adjustments to reconcile net income to net cash provided by operating activities
Depreciation and amortization	1,840	1,776
Change in value of contingent consideration	243	243
Amortization of investment premiums	1,122	1,276
Stock-based compensation	1,513	1,336
Deferred income taxes	424	6
Currency translation adjustments	(275)	(4)
Increase (decrease) in
Accounts receivable	(5,188)	(3,884)
Prepaid income taxes	563	(280)
Prepaid expenses and other assets	1,274	(556)
Accounts payable	22	51
Accrued payroll and other expenses	(3,384)	640
Deferred revenue	590	340
Net cash provided by operating activities	6,179	6,634
Cash flows provided by (used in) investing activities
Purchases of property and equipment	(710)	(583)
Purchases of short-term investments	(25,504)	(40,789)
Proceeds from sale of short-term investments	46,810	30,950
Capitalized computer software development costs	(1,507)	(1,474)
Net cash provided by (used in) investing activities	19,089	(11,896)
Cash flows used in financing activities
Payment of dividends	(2,420)	(2,396)
Proceeds from the exercise of stock options	541	836
Net cash used in financing activities	(1,879)	(1,560)
Net increase (decrease) in cash and cash equivalents	23,389	(6,822)
Cash and cash equivalents, beginning of year	36,984	49,207
Cash and cash equivalents, end of period	60,373	42,385
Supplemental disclosures of cash flow information
Income taxes paid	921	878
Non-cash investing and financing activities
Right of use assets capitalized	$ 624	$ 905