XML 61 R48.htm IDEA: XBRL DOCUMENT v3.5.0.2

Note 12 - Net Sales by Geographic Location (Details) - USD ($)	3 Months Ended		9 Months Ended
	May 31, 2016	May 31, 2015	May 31, 2016	May 31, 2015
Inside the USA to Unaffiliated Customers [Member]
Net sales by segment	$ 5,559,885	$ 5,337,090	$ 14,762,170	$ 14,200,121
Joint Ventures in Which the Company is a Shareholder Directly and Indirectly Outside the USA [Member]
Net sales by segment	446,322	580,622	1,967,370	2,588,501
Unaffiliated Customers Outside the USA [Member]
Net sales by segment	2,680,368	2,359,863	6,686,406	5,431,757
Net sales by segment	$ 8,686,575	$ 8,277,575	$ 23,415,946	$ 22,220,379

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=63488584&loc=d3e20235-122688

+ Details

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

X

- Details

Name:	us-gaap_StatementScenarioAxis=ntic_InsideTheUSAToUnaffiliatedCustomersMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_StatementScenarioAxis=ntic_JointVenturesInWhichTheCompanyIsAShareholderDirectlyAndIndirectlyOutsideTheUSAMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_StatementScenarioAxis=ntic_UnaffiliatedCustomersOutsideTheUSAMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: