Condensed Consolidated Statements of Cash Flows (unaudited) - USD ($)	6 Months Ended
	Feb. 28, 2018	Feb. 28, 2017
Cash flows from operating activities
Net income	$ 5,190,790	$ 2,557,325
Adjustments to reconcile net income to net cash provided by operating activities
Depreciation and amortization	1,328,170	1,032,949
Change in value of contingent consideration	76,376	0
Stock-based compensation	345,263	212,486
Deferred income taxes	(1,722,587)	(200,570)
(Increase) decrease in
Accounts receivable	(1,954,326)	(1,658,702)
Revenues in excess of billings	(356,870)	(529,389)
Prepaid income taxes	326,131	181,081
Prepaid expenses and other assets	20,105	114,417
Increase (decrease) in
Accounts payable	(76,035)	113,244
Accrued payroll and other expenses	(45,193)	(33,535)
Billings in excess of revenues	235,407	(75,027)
Other liabilities	0	(8,274)
Deferred revenue	702,857	18,516
Net cash provided by operating activities	4,070,088	1,724,521
Cash flows used in investing activities
Purchases of property and equipment	(63,876)	(105,823)
Capitalized computer software development costs	(1,147,490)	(584,376)
Net cash used in investing activities	(1,211,366)	(690,199)
Cash flows used in financing activities
Payment of dividends	(2,076,153)	(1,723,012)
Payments on contracts payable	(247,328)	0
Proceeds from the exercise of stock options	169,833	85,217
Net cash used in financing activities	(2,153,648)	(1,637,795)
Net increase (decrease) in cash and cash equivalents	705,074	(603,473)
Cash and cash equivalents, beginning of year	6,215,718	8,030,284
Cash and cash equivalents, end of year	6,920,792	7,426,811
Supplemental disclosures of cash flow information
Income taxes paid	$ 1,069,000	$ 1,204,500