Note 19 - Quarterly Information (Unaudited)

12 Months Ended

Aug. 31, 2014

Quarterly Financial Information Disclosure [Abstract]

Quarterly Financial Information [Text Block]

19.           QUARTERLY INFORMATION (UNAUDITED)

	Fiscal Quarter Ended
	November 30		February 28		May 31		August 31
Fiscal year 2014:
Net sales	$	6,309,100	$	6,219,008	$	6,920,820	$	7,377,180
Gross profit		2,151,069		2,167,175		2,251,498		2,453,213
Income before income tax expense		1,502,418		1,643,828		1,759,537		1,757,291
Income tax expense		198,000		259,759		361,280		305,623
Net income		1,304,418		1,384,069		1,398,257		1,451,668
Net income attributable to non-controlling interests		445,832		359,025		418,040		209,143
Net income attributable to NTIC		858,586		1,025,044		980,217		1,242,527
Net income per share:
Basic	$	0.19	$	0.23	$	0.22	$	0.28
Diluted	$	0.19	$	0.22	$	0.21	$	0.27
Weighted average common shares assumed outstanding:
Basic		4,434,770		4,434,837		4,461,880		4,487,478
Diluted		4,552,669		4,579,603		4,590,344		4,592,208

	Fiscal Quarter Ended
	November 30		February 28		May 31		August 31
Fiscal year 2013:
Net sales	$	5,291,747	$	5,246,350	$	5,877,033	$	6,086,734
Gross profit		1,600,775		1,612,437		1,822,669		1,992,771
Income before income tax expense		892,536		985,155		1,445,769		2,294,041
Income tax expense		134,000		240,000		158,000		332,000
Net income		758,536		745,155		1,287,769		1,962,041
Net income attributable to non-controlling interests		368,914		310,745		360,657		346,291
Net income attributable to NTIC		389,622		434,410		927,112		1,615,750
Net income per share:
Basic	$	0.09	$	0.10	$	0.21	$	0.37
Diluted	$	0.09	$	0.10	$	0.21	$	0.36
Weighted average common shares assumed outstanding:
Basic		4,406,205		4,418,821		4,421,379		4,431,948
Diluted		4,440,436		4,485,076		4,468,861		4,501,017