Income Taxes (Tables)

12 Months Ended

Jan. 31, 2014

Income Tax Disclosure [Abstract]

Company's Income Tax Expense Related to Continuing Operations

The components of the Company’s income tax expense related to continuing operations for the years ended January 31, 2014, 2013 and 2012 are presented below:

	2014		2013			2012
Current:
Federal	$	20,765,000	$	11,555,000		$	3,771,000
State		3,525,000		2,224,000			836,000
		24,290,000		13,779,000			4,607,000
Deferred:
Federal		1,419,000		(207,000	)		41,000
State		282,000		68,000			(92,000	)
		1,701,000		(139,000	)		(51,000	)
Income tax expense	$	25,991,000	$	13,640,000		$	4,556,000

Actual Income Tax Expense Amounts

The actual income tax expense amounts for the years ended January 31, 2014, 2013 and 2012 differed from the expected tax amounts computed by applying the U.S. federal corporate income tax rate of 35% for the year ended January 31, 2014 and 2013, and 34% for the year ended January 31, 2012, to income from continuing operations before income taxes as presented below:

	2014			2013			2012
Computed “expected” income tax	$	24,267,000		$	12,510,000		$	4,068,000
Increase (decrease) resulting from:
State income taxes, net		2,574,000			1,459,000			460,000
Permanent differences		(1,105,000	)		(730,000	)		(138,000	)
Federal income tax true-up and other adjustments		255,000			401,000			166,000
Income tax expense	$	25,991,000		$	13,640,000		$	4,556,000

Schedule of Tax Effects of Temporary Differences that Gave Rise to Deferred Tax Assets and Liabilities

The tax effects of temporary differences that gave rise to deferred tax assets and liabilities as of January 31, 2014 and 2013 are presented below:

	2014			2013
Assets:
Purchased intangibles	$	1,255,000		$	1,407,000
Stock options		1,623,000			1,675,000
Accrued liabilities		514,000			855,000
Moxie Project net operating losses		—			432,000
Other		50,000			144,000
		3,442,000			4,513,000
Liabilities:
Purchased intangibles		(2,563,000	)		(2,258,000	)
Property and equipment		(612,000	)		(581,000	)
Long-term contracts		(313,000	)		—
Other		(68,000	)		(35,000	)
		(3,556,000	)		(2,874,000	)
Net deferred tax (liabilities) assets	$	(114,000	)	$	1,639,000