Stock-Based Compensation and Stockholders' Rights (Tables)

6 Months Ended

Jul. 31, 2015

Disclosure of Compensation Related Costs, Share-based Payments [Abstract]

Schedule of Restricted Stock and Stock Unit Award Activity

The following table presents a summary of restricted stock and stock unit awards at July 31, 2015 and 2014:

			Expense for 3 months ended				Expense for 6 months ended				Unrecognized Compensation Cost at
Date of Grants	Units Granted	Terms of Vesting	7/31/2015		7/31/2014		7/31/2015		7/31/2014		7/31/2015
2011 Stock Incentive Plan
6/22/2015	48,000	4 years	$	5,000	$	—	5,000		$	—	$	127,000
6/22/2015	27,174	1 year	13,000		—		13,000		—		62,000
6/24/2014	28,626	1 year	6,000		13,000		25,000		13,000		—
6/24/2014	490,000	5 years	61,000		43,000		125,000		43,000		920,000
12/3/2013	10,000	1 year	—		6,000		—		12,000		—
6/25/2013	71,430	1 year	—		13,000		—		50,000		—
6/19/2012	520,000	5 years	38,000		39,000		77,000		79,000		270,000
2007 Stock Incentive Plan
6/16/2009	382,500	5 years	—		15,000		—		62,000		—
Totals for the period			$	123,000	$	129,000	$	245,000	$	259,000	$	1,379,000