CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS (Unaudited) - USD ($) $ in Thousands	3 Months Ended
	Nov. 30, 2020	Nov. 30, 2019
Cash flows from operating activities
Net income	$ 2,479	$ 2,058
Adjustments to reconcile net income to net cash provided by operating activities
Depreciation and amortization	865	671
Change in value of contingent consideration	121	(0)
Amortization of note premiums	630	0
Stock-based compensation	532	367
Deferred income taxes	47	(28)
Increase (decrease) in
Accounts receivable	91	(1,327)
Revenues in excess of billings	256	(247)
Prepaid income taxes	410	678
Prepaid expenses and other assets	(141)	143
Accounts payable	(15)	381
Accrued payroll and other expenses	49	(44)
Billings in excess of revenues	65	91
Deferred revenue	(56)	(109)
Net cash provided by operating activities	5,333	2,634
Cash flows used in investing activities
Purchases of property and equipment	(205)	(32)
Purchases of short-term investments	(30,959)	0
Proceeds from sale of short-term investments	6,018	0
Capitalized computer software development costs	(728)	(507)
Net cash used in investing activities	(25,874)	(539)
Cash flows used in financing activities
Payment of dividends	(1,195)	(1,056)
Proceeds from the exercise of stock options	180	136
Net cash used in financing activities	(1,015)	(920)
Net increase (decrease) in cash and cash equivalents	(21,556)	1,175
Cash and cash equivalents, beginning of year	49,207	11,435
Cash and cash equivalents, end of period	27,651	12,610
Supplemental disclosures of cash flow information
Income taxes paid	57	25
Non-Cash Investing and Financing Activities
Right of use assets capitalized	$ 0	$ 903