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Note 19 - Subsequent Event	12 Months Ended
	Aug. 31, 2017
Notes to Financial Statements
Subsequent Events [Text Block]	19. SUBSEQUENT EVENT On November 20, 2017, NTIC’s Board of Directors declared a cash dividend of $0.10 per share of NTIC’s common stock, payable on December 21, 2017 to stockholders of record on December 8, 2017. Although NTIC’s Board of Directors intends to declare regular quarterly cash dividends going forward, the payment of any future dividends will be determined by NTIC’s Board of Directors in light of conditions then existing, including NTIC’s earnings, financial condition, cash requirements, restrictions in financing agreements, business conditions and other factors.

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The entire disclosure for significant events or transactions that occurred after the balance sheet date through the date the financial statements were issued or the date the financial statements were available to be issued. Examples include: the sale of a capital stock issue, purchase of a business, settlement of litigation, catastrophic loss, significant foreign exchange rate changes, loans to insiders or affiliates, and transactions not in the ordinary course of business.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 855
-URI http://asc.fasb.org/topic&trid=2122774

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