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CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($)
$ in Thousands
12 Months Ended
Aug. 31, 2022
Aug. 31, 2021
Aug. 31, 2020
Cash flows from operating activities      
Net income $ 12,483 $ 9,782 $ 9,332
Adjustments to reconcile net income to net cash provided by operating activities      
Depreciation and amortization 3,574 3,590 2,962
Change in value of contingent consideration 283 486 203
Amortization of investment premiums 1,678 2,350 0
Stock-based compensation 3,037 2,750 1,577
Deferred income taxes (270) (628) (378)
Currency translation adjustments (265) (101) 0
Increase (Decrease) in Other Operating Assets and Liabilities, Net [Abstract]      
Accounts receivable (3,936) (2,429) (2,018)
Prepaid income taxes (379) (42) (12)
Prepaid expenses and other assets 1,081 (157) (259)
Accounts payable (162) 39 221
Other liabilities (1,437) 3,353 23
Deferred revenue 2,213 210 (739)
Net cash provided by operating activities 17,900 19,203 10,912
Cash flows from investing activities      
Purchases of property and equipment (819) (1,627) (231)
Purchase of short-term investments (100,846) (122,395) (67,249)
Proceeds from sale of short-term investments 109,121 100,229 0
Cash used to acquire subsidiaries 0 0 (9,471)
Cash received in acquisition 0 0 3,799
Capitalized computer software development costs (3,151) (2,949) (2,353)
Net cash provided by (used in) investing activities 4,305 (26,742) (75,505)
Cash flows from financing activities      
Payment of dividends (4,846) (4,811) (4,250)
Payments on contracts payable (3,667) (1,334) (1,761)
Proceeds from the exercise of stock options 891 1,461 630
Proceeds from follow-on public offering, net 0 0 107,747
Net cash (used in) provided by financing activities (7,622) (4,684) 102,366
Net increase (decrease) in cash and cash equivalents 14,583 (12,223) 37,773
Cash and cash equivalents, beginning of year 36,984 49,207 11,434
Cash and cash equivalents, end of period 51,567 36,984 49,207
Supplemental disclosures of cash flow information      
Income taxes paid 3,233 1,857 2,353
Non-Cash Investing and Financing Activities      
Stock issued for acquisition of Lixoft 1,166 666 3,261
Creation of contract liabilities for acquisition of subsidiaries 0 0 4,528
Right of use assets capitalized $ 624 $ 905 $ 1,499