XML 67 R51.htm IDEA: XBRL DOCUMENT
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Note 12 - Geographic and Segment Information (Details) - Cost of Goods Sold by Segment (USD $) | 3 Months Ended | 6 Months Ended
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Feb. 28, 2015 | Feb. 28, 2014 | Feb. 28, 2015 | Feb. 28, 2014
Note 12 - Geographic and Segment Information (Details) - Cost of Goods Sold by Segment [Line Items] |  |  |  |  |  |
Cost of Goods Sold | $ 4,657,740 us-gaap_CostOfGoodsSold |  | $ 4,051,833 us-gaap_CostOfGoodsSold |  | $ 9,464,351 us-gaap_CostOfGoodsSold | $ 8,209,864 us-gaap_CostOfGoodsSold
Direct Cost of Goods Sold [Member] | ZERUST [Member] |  |  |  |  |  |
Note 12 - Geographic and Segment Information (Details) - Cost of Goods Sold by Segment [Line Items] |  |  |  |  |  |
Cost of Goods Sold | 3,171,103 us-gaap_CostOfGoodsSold / ntic_CostOfGoodsSoldTypeAxis = ntic_DirectCostOfGoodsSoldMember / us-gaap_ProductOrServiceAxis = ntic_ZERUSTMember |  | 2,965,790 us-gaap_CostOfGoodsSold / ntic_CostOfGoodsSoldTypeAxis = ntic_DirectCostOfGoodsSoldMember / us-gaap_ProductOrServiceAxis = ntic_ZERUSTMember |  | 6,509,691 us-gaap_CostOfGoodsSold / ntic_CostOfGoodsSoldTypeAxis = ntic_DirectCostOfGoodsSoldMember / us-gaap_ProductOrServiceAxis = ntic_ZERUSTMember | 6,047,554 us-gaap_CostOfGoodsSold / ntic_CostOfGoodsSoldTypeAxis = ntic_DirectCostOfGoodsSoldMember / us-gaap_ProductOrServiceAxis = ntic_ZERUSTMember
% of Product Sales | 54.80%ntic_CostOfGoodsSoldAsPercentageOfProductSales / ntic_CostOfGoodsSoldTypeAxis = ntic_DirectCostOfGoodsSoldMember / us-gaap_ProductOrServiceAxis = ntic_ZERUSTMember | [1] | 53.40%ntic_CostOfGoodsSoldAsPercentageOfProductSales / ntic_CostOfGoodsSoldTypeAxis = ntic_DirectCostOfGoodsSoldMember / us-gaap_ProductOrServiceAxis = ntic_ZERUSTMember | [1] | 54.10%ntic_CostOfGoodsSoldAsPercentageOfProductSales / ntic_CostOfGoodsSoldTypeAxis = ntic_DirectCostOfGoodsSoldMember / us-gaap_ProductOrServiceAxis = ntic_ZERUSTMember | 53.50%ntic_CostOfGoodsSoldAsPercentageOfProductSales / ntic_CostOfGoodsSoldTypeAxis = ntic_DirectCostOfGoodsSoldMember / us-gaap_ProductOrServiceAxis = ntic_ZERUSTMember
Direct Cost of Goods Sold [Member] | Natur-Tec [Member] |  |  |  |  |  |
Note 12 - Geographic and Segment Information (Details) - Cost of Goods Sold by Segment [Line Items] |  |  |  |  |  |
Cost of Goods Sold | 719,048 us-gaap_CostOfGoodsSold / ntic_CostOfGoodsSoldTypeAxis = ntic_DirectCostOfGoodsSoldMember / us-gaap_ProductOrServiceAxis = ntic_NaturTecMember |  | 490,573 us-gaap_CostOfGoodsSold / ntic_CostOfGoodsSoldTypeAxis = ntic_DirectCostOfGoodsSoldMember / us-gaap_ProductOrServiceAxis = ntic_NaturTecMember |  | 1,501,623 us-gaap_CostOfGoodsSold / ntic_CostOfGoodsSoldTypeAxis = ntic_DirectCostOfGoodsSoldMember / us-gaap_ProductOrServiceAxis = ntic_NaturTecMember | 940,037 us-gaap_CostOfGoodsSold / ntic_CostOfGoodsSoldTypeAxis = ntic_DirectCostOfGoodsSoldMember / us-gaap_ProductOrServiceAxis = ntic_NaturTecMember
% of Product Sales | 76.10%ntic_CostOfGoodsSoldAsPercentageOfProductSales / ntic_CostOfGoodsSoldTypeAxis = ntic_DirectCostOfGoodsSoldMember / us-gaap_ProductOrServiceAxis = ntic_NaturTecMember | [1] | 73.90%ntic_CostOfGoodsSoldAsPercentageOfProductSales / ntic_CostOfGoodsSoldTypeAxis = ntic_DirectCostOfGoodsSoldMember / us-gaap_ProductOrServiceAxis = ntic_NaturTecMember | [1] | 78.20%ntic_CostOfGoodsSoldAsPercentageOfProductSales / ntic_CostOfGoodsSoldTypeAxis = ntic_DirectCostOfGoodsSoldMember / us-gaap_ProductOrServiceAxis = ntic_NaturTecMember | 76.80%ntic_CostOfGoodsSoldAsPercentageOfProductSales / ntic_CostOfGoodsSoldTypeAxis = ntic_DirectCostOfGoodsSoldMember / us-gaap_ProductOrServiceAxis = ntic_NaturTecMember
Indirect Cost of Goods Sold [Member] |  |  |  |  |  |
Note 12 - Geographic and Segment Information (Details) - Cost of Goods Sold by Segment [Line Items] |  |  |  |  |  |
Cost of Goods Sold | $ 767,589 us-gaap_CostOfGoodsSold / ntic_CostOfGoodsSoldTypeAxis = ntic_IndirectCostOfGoodsSoldMember |  | $ 595,470 us-gaap_CostOfGoodsSold / ntic_CostOfGoodsSoldTypeAxis = ntic_IndirectCostOfGoodsSoldMember |  | $ 1,453,037 us-gaap_CostOfGoodsSold / ntic_CostOfGoodsSoldTypeAxis = ntic_IndirectCostOfGoodsSoldMember | $ 1,222,273 us-gaap_CostOfGoodsSold / ntic_CostOfGoodsSoldTypeAxis = ntic_IndirectCostOfGoodsSoldMember
% of Product Sales |  | [1] |  | [1] |  |
[1] | The percent of segment sales is calculated by dividing the direct cost of goods sold for each individual segment category by the net sales for each segment category.

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- Definition Represents the cost of goods sold as a percentage of product sales. + References No definition available. + Details
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- Definition Total costs related to goods produced and sold during the reporting period. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 03 -Paragraph 2 -Article 5 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 225 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SX 210.5-03.2(a)) -URI http://asc.fasb.org/extlink&oid=26872669&loc=d3e20235-122688 + Details
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