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Consolidated Statements of Operations (USD $) | 12 Months Ended
--- | ---
Aug. 31, 2013 | Aug. 31, 2012
NET SALES: |  |
Net sales, excluding joint ventures | $ 19,724,205 | $ 20,227,719
Net sales, to joint ventures | 2,777,659 | 2,553,934
Total net sales | 22,501,864 | 22,781,653
Cost of goods sold | 15,473,212 | 14,528,785
Gross profit | 7,028,652 | 8,252,868
JOINT VENTURE OPERATIONS: |  |
Equity in income of joint ventures | 5,237,711 | 5,519,795
Fees for services provided to joint ventures | 7,352,980 | 4,622,912
Total joint venture operations | 12,590,691 | 10,142,707
OPERATING EXPENSES: |  |
Selling expenses | 4,845,676 | 4,585,901
General and administrative expenses | 4,605,979 | 4,309,410
Expenses incurred in support of joint ventures | 1,387,197 | 1,054,914
Research and development expenses | 3,815,515 | 3,875,581
Total operating expenses | 14,654,367 | 13,825,806
OPERATING INCOME | 4,964,976 | 4,569,769
INTEREST INCOME | 34,614 | 54,652
INTEREST EXPENSE | (52,215) | (29,388)
OTHER INCOME | 670,126 | 21,613
INCOME BEFORE INCOME TAX EXPENSE | 5,617,501 | 4,616,646
INCOME TAX EXPENSE | 864,000 | 1,041,000
NET INCOME | 4,753,501 | 3,575,646
NET INCOME ATTRIBUTABLE TO NON-CONTROLLING INTEREST | 1,386,607 | 127,450
NET INCOME ATTRIBUTABLE TO NTIC | $ 3,366,894 | $ 3,448,196
NET INCOME ATTRIBUTABLE TO NTIC PER COMMON SHARE: |  |
Basic (in Dollars per share) | $ 0.76 | $ 0.79
Diluted (in Dollars per share) | $ 0.75 | $ 0.78
WEIGHTED AVERAGE COMMON SHARES ASSUMED OUTSTANDING: |  |
Basic (in Shares) | 4,421,636 | 4,391,424
Diluted (in Shares) | 4,475,895 | 4,451,594

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- Definition Number of [basic] shares or units, after adjustment for contingently issuable shares or units and other shares or units not deemed outstanding, determined by relating the portion of time within a reporting period that common shares or units have been outstanding to the total time in that period. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=6371337&loc=d3e3550-109257 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -SubTopic 10 -Section 45 -Paragraph 10 -URI http://asc.fasb.org/extlink&oid=7655603&loc=d3e1448-109256 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Weighted-Average Number of Common Shares Outstanding -URI http://asc.fasb.org/extlink&oid=6528421 + Details
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