Condensed Consolidated Statements of Cash Flows (unaudited) - USD ($)	3 Months Ended
	Nov. 30, 2018	Nov. 30, 2017
Cash flows from operating activities
Net income	$ 1,535,947	$ 1,716,005
Adjustments to reconcile net income to net cash provided by operating activities
Depreciation and amortization	694,789	638,504
Change in value of contingent consideration	38,188	38,188
Stock-based compensation	244,935	166,994
Deferred income taxes	(41,701)	(135,500)
(Increase) decrease in
Accounts receivable	227,402	(1,182,099)
Revenues in excess of billings	(274,014)	119,840
Prepaid income taxes	312,593	462,443
Prepaid expenses and other assets	108,376	108,049
Increase (decrease) in
Accounts payable	(133,471)	(99,077)
Accrued payroll and other expenses	65,892	101,772
Billings in excess of revenues	(112,666)	385,275
Accrued income taxes	168,220	404,600
Deferred revenue	(222,769)	(83,712)
Net cash provided by operating activities	2,611,721	2,641,282
Cash flows used in investing activities
Purchases of property and equipment	(1,255)	(47,276)
Purchases of intellectual property	(50,000)	0
Capitalized computer software development costs	(364,664)	(507,090)
Net cash used in investing activities	(415,919)	(554,366)
Cash flows used in financing activities
Payment of dividends	(1,045,073)	(1,037,088)
Payments on contracts payable	(1,556,644)	(247,328)
Proceeds from the exercise of stock options	357,452	27,537
Net cash used in financing activities	(2,244,265)	(1,256,879)
Net increase (decrease) in cash and cash equivalents	(48,463)	830,037
Cash and cash equivalents, beginning of year	9,400,701	6,215,718
Cash and cash equivalents, end of period	9,352,238	7,045,755
Supplemental disclosures of cash flow information
Income taxes paid	$ 16,357	$ 34,500