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Consolidated Statements of Cash Flows (Unaudited) (USD $) | 9 Months Ended
--- | ---
May 31, 2014 | May 31, 2013
CASH FLOWS FROM OPERATING ACTIVITIES: |  |
Net income | $ 4,086,744 | $ 2,791,460
Adjustments to reconcile net income to net cash used in operating activities: |  |
Stock-based compensation | 345,319 | 213,347
Depreciation expense | 335,350 | 316,118
Amortization expense | 64,736 | 53,264
Loss on disposal of assets | 2,176 | 13,842
Equity in income from joint ventures | (4,416,664) | (3,733,069)
Increase in allowance on doubtful accounts | 20,000 |
Receivables: |  |
Trade, excluding joint ventures | 80,459 | (306,554)
Trade, joint ventures | 90,860 | (385,542)
Fees for services provided to joint ventures | (387,356) | 199,532
Income taxes | (155,319) | (116,816)
Inventories | (397,090) | (1,085,743)
Prepaid expenses and other | (455,900) | 195,848
Accounts payable | (227,486) | (526,505)
Income tax payable | (4,081) | 2,783
Accrued liabilities | 411,211 | (684,857)
Net cash used in operating activities | (607,041) | (3,052,892)
CASH FLOWS FROM INVESTING ACTIVITIES: |  |
Proceeds from the sale of investment in joint venture | 134,606 |
Dividends received from joint ventures | 7,307,895 | 3,017,586
Additions to property and equipment | (428,536) | (1,160,344)
Effect of subsidiary consolidation on cash |  | 1,612,768
Additions to patents | (189,393) | (167,652)
Net cash provided by investing activities | 6,824,572 | 3,302,358
CASH FLOWS FROM FINANCING ACTIVITIES: |  |
Repayment of note payable | (933,414) | (57,089)
Dividend received by non-controlling interest | (1,440,000) | (1,352,841)
Investment by non-controlling interest | 34,770 |
Proceeds from employee stock purchase plan | 42,514 | 56,739
Proceeds from exercise of stock options | 305,996 | 157,021
Net cash used in financing activities | (1,990,134) | (1,196,170)
EFFECT OF EXCHANGE RATE CHANGES ON CASH: | 8,134 | (14,686)
NET INCREASE (DECREASE) IN CASH AND CASH EQUIVALENTS | 4,235,531 | (961,390)
CASH AND CASH EQUIVALENTS AT BEGINNING OF PERIOD | 4,314,258 | 4,137,547
CASH AND CASH EQUIVALENTS AT END OF PERIOD | $ 8,549,789 | $ 3,176,157

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