Stock-Based Compensation and Stockholders' Rights (Tables)

6 Months Ended

Jul. 31, 2016

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, 2016 and 2015:

			Expense for 3 months ended				Expense for 6 months ended				Unrecognized Compensation Cost at
Date of Grants	Units Granted	Terms of Vesting	7/31/2016		7/31/2015		7/31/2016		7/31/2015		7/31/2016
2011 Stock Incentive Plan
06/21/2016	51,284	1 year	$	33,000	$	—	$	33,000	$	—	$	166,000
06/21/2016	36,000	3 years	8,000		—		8,000		—		132,000
06/22/2015	48,000	4 years	8,000		5,000		16,000		5,000		94,000
06/22/2015	27,174	1 year	6,000		13,000		25,000		13,000		—
06/24/2014	490,000	5 years	60,000		61,000		120,000		125,000		680,000
06/24/2014	28,626	1 year	—		6,000		—		25,000		—
06/19/2012	520,000	5 years	37,000		38,000		74,000		77,000		123,000
Totals for the period			$	152,000	$	123,000	$	276,000	$	245,000	$	1,195,000