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Consolidated Statements of Cash Flows (Unaudited) (USD $) | 6 Months Ended
--- | ---
Feb. 28, 2014 | Feb. 28, 2013
CASH FLOWS FROM OPERATING ACTIVITIES: |  |
Net income | $ 2,688,487 | $ 1,503,691
Stock-based compensation | 236,623 | 137,550
Depreciation expense | 217,620 | 211,874
Amortization expense | 42,819 | 35,122
Loss on disposal of assets | 2,178 | 13,845
Equity in income from joint ventures | (2,823,199) | (2,292,734)
Increase in allowance on doubtful accounts | 20,000 |
Receivables: |  |
Trade, excluding joint ventures | 64,392 | (223,731)
Trade, joint ventures | 322,902 | (247,466)
Fees for services provided to joint ventures | (370,026) | 221,099
Income taxes | (209,797) | (51,111)
Inventories | (246,686) | (990,720)
Prepaid expenses and other | (500,213) | (91,869)
Accounts payable | (578,103) | (574,037)
Income tax payable | (835) | (2,748)
Accrued liabilities | (330,206) | (1,094,446)
Net cash used in operating activities | (1,464,042) | (3,445,681)
CASH FLOWS FROM INVESTING ACTIVITIES: |  |
Proceeds from the sale of investment in joint venture | 245,594 |
Dividends received from joint ventures | 5,217,878 | 2,953,435
Additions to property and equipment | (325,051) | (102,259)
Effect of subsidiary consolidation on cash |  | 1,612,768
Additions to patents | (121,351) | (114,882)
Net cash provided by investing activities | 5,017,070 | 4,349,062
CASH FLOWS FROM FINANCING ACTIVITIES: |  |
Repayment of note payable | (933,414) | (38,059)
Dividend received by non-controlling interest |  | (872,841)
Investment by non-controlling interest | 30,866 |
Proceeds from employee stock purchase plan | 21,255 | 28,938
Proceeds from exercise of stock options | 7,650 | 102,815
Net cash used in financing activities | (873,643) | (779,147)
EFFECT OF EXCHANGE RATE CHANGES ON CASH: | 2,484 | (636)
NET INCREASE IN CASH AND CASH EQUIVALENTS | 2,681,869 | 123,598
CASH AND CASH EQUIVALENTS AT BEGINNING OF PERIOD | 4,314,258 | 4,137,547
CASH AND CASH EQUIVALENTS AT END OF PERIOD | $ 6,996,127 | $ 4,261,145

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