XML 67 R49.htm IDEA: XBRL DOCUMENT v3.2.0.727

Note 12 - Geographic and Segment Information (Details) - Net Sales by Segment - USD ($)	3 Months Ended		9 Months Ended
	May. 31, 2015	May. 31, 2014	May. 31, 2015	May. 31, 2014
Segment Reporting, Revenue Reconciling Item [Line Items]
Net sales by segment	$ 8,277,575	$ 6,920,820	$ 22,220,379	$ 19,448,928
ZERUST [Member]
Segment Reporting, Revenue Reconciling Item [Line Items]
Net sales by segment	7,076,760	5,992,095	19,098,816	17,296,159
Natur-Tec [Member]
Segment Reporting, Revenue Reconciling Item [Line Items]
Net sales by segment	$ 1,200,815	$ 928,725	$ 3,121,563	$ 2,152,769

X

- Definition

Total revenue from sale of goods and services rendered during the reporting period, in the normal course of business, reduced by sales returns and allowances, and sales discounts.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef



-Publisher FASB



-Name Accounting Standards Codification



-Topic 225



-SubTopic 10



-Section S99



-Paragraph 2



-Subparagraph (SX 210.5-03.1)



-URI http://asc.fasb.org/extlink&oid=26872669&loc=d3e20235-122688

+ Details

Name:	us-gaap_SalesRevenueNet
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

X

- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

No definition available.

+ Details

Name:	us-gaap_SegmentReportingRevenueReconcilingItemLineItems
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

X

- Details

Name:	us-gaap_StatementBusinessSegmentsAxis=ntic_ZERUSTMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_StatementBusinessSegmentsAxis=ntic_NaturTecMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: