XML 92 R85.htm IDEA: XBRL DOCUMENT v3.3.0.814

Note 20 - Fair Value Measurements (Details Textual)	12 Months Ended
	Aug. 31, 2015 USD ($)
Fair Value Assets Transfers Level 1 Level 2 Level 3	$ 0

X

- Definition

Transfers between Level 1, Level 2 or Level 3.

+ References

No definition available.

+ Details

Name:	ntic_FairValueAssetsTransfersLevel1Level2Level3
Namespace Prefix:	ntic_
Data Type:	xbrli:monetaryItemType
Balance Type:	na
Period Type:	duration