XML 92 R66.htm IDEA: XBRL DOCUMENT
v2.4.0.8

Note 13 - Retirement Plan (Details) (USD $) | 12 Months Ended
--- | ---
Aug. 31, 2013 | Aug. 31, 2012
Compensation and Retirement Disclosure [Abstract] |  |
Defined Contribution Plan Employee Contribution Percent Max | 15.00% |
Defined Contribution Plan Maximum Amount Of Employees Contributions Percent | 50.00% |
Defined Contribution Plan, Maximum Annual Contributions Per Employee, Percent | 3.50% |
Defined Contribution Plan, Cost Recognized (in Dollars) | $ 175,016 | $ 166,201

X
- Definition No authoritative reference available. + References No definition available. + Details
Name: | ntic_DefinedContributionPlanEmployeeContributionPercentMax
Namespace Prefix: | ntic_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition No authoritative reference available. + References No definition available. + Details
Name: | ntic_DefinedContributionPlanMaximumAmountOfEmployeesContributionsPercent
Namespace Prefix: | ntic_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | us-gaap_CompensationAndRetirementDisclosureAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition The amount of the cost recognized during the period for defined contribution plans. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 70 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6414718&loc=d3e28014-114942 + Details
Name: | us-gaap_DefinedContributionPlanCostRecognized
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Maximum percentage of employee gross pay the employee may contribute to a defined contribution plan. + References No definition available. + Details
Name: | us-gaap_DefinedContributionPlanMaximumAnnualContributionsPerEmployeePercent
Namespace Prefix: | us-gaap_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration