Quarterly Financial Data (Unaudited)

12 Months Ended

Jan. 31, 2012

Quarterly Financial Data (Unaudited) [Abstract]

Quarterly Financial Data (Unaudited) [Text Block]

 (11)        Quarterly Financial Data (Unaudited)

2012	Three months ended,
	Apr 30			Jul 31			Oct 31			Jan 31
Net revenues	$	37,078,000		$	37,516,000		$	40,498,000		$	40,315,000
Gross profit		9,261,000			9,068,000			9,468,000			9,788,000
Net income (loss) from continuing operations attributable to NTS		568,000			763,000			100,000			(559,000	)
Net loss from discontinued operations attributable to NTS		(9,000	)		(26,000	)		(287,000	)		(59,000	)
Basic earnings (loss) per common share
Net income (loss) from continuing operations attributable to NTS	$	0.06			0.07			0.01			(0.05	)
Net loss from discontinued operations attributable to NTS		-			-			(0.03	)		(0.01	)
Net income (loss) attributable to NTS	$	0.05		$	0.07		$	(0.02	)	$	(0.05	)
Diluted earnings per common share
Net income (loss) from continuing operations attributable to NTS	$	0.05			0.07			0.01			(0.05	)
Net loss from discontinued operations attributable to NTS *		-			-			(0.02	)		-
Net income (loss) attributable to NTS	$	0.05		$	0.07		$	(0.02	)	$	(0.05	)
Weighted average common shares outstanding		10,243,000			10,616,000			11,299,000			11,300,000
Dilutive effect of stock options		407,000			395,000			467,000			501,000
Weighted average common shares outstanding, assuming dilution		10,650,000			11,011,000			11,766,000			11,801,000

* Per share data may not always add to the total for the year because each figure is independently calculated.

2011	Three months ended,
	Apr 30			Jul 31			Oct 31		Jan 31
Net revenues	$	35,638,000		$	34,140,000		$	38,613,000	$	33,990,000
Gross profit		10,774,000			9,346,000			10,698,000		8,143,000
Net income from continuing operations attributable to NTS		3,592,000			1,040,000			1,089,000		(293,000	)
Net (loss) income from discontinued operations attributable to NTS		(46,000	)		(47,000	)		43,000		(28,000	)
Basic earnings (loss) per common share
Net income (loss) from continuing operations attributable to NTS *	$	0.38		$	0.11		$	0.11	$	(0.03	)
Net loss from discontinued operations attributable to NTS *		-			-			-		-
Net income attributable to NTS *	$	0.37		$	0.10		$	0.11	$	(0.03	)
Diluted earnings per common share
Net income (loss) from continuing operations attributable to NTS *	$	0.36		$	0.10		$	0.10	$	(0.03	)
Net loss from discontinued operations attributable to NTS *		-			-			-		-
Net income (loss) attributable to NTS *	$	0.35		$	0.10		$	0.11	$	(0.03	)
Weighted average common shares outstanding		9,465,000			9,705,000			10,096,000		10,179,000
Dilutive effect of stock options		559,000			577,000			484,000		446,000
Weighted average common shares outstanding, assuming dilution		10,024,000			10,282,000			10,580,000		10,625,000

* Per share data may not always add to the total for the year because each figure is independently calculated.