Stock-Based Compensation and Stockholders' Rights (Tables)

6 Months Ended

Jul. 31, 2017

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, 2017 and 2016:

			Expense for 3 months ended				Expense for 6 months ended				Unrecognized Compensation Cost at
Date of Grants	Units Granted	Terms of Vesting	7/31/2017		7/31/2016		7/31/2017		7/31/2016		7/31/2017
2011 Stock Incentive Plan
06/20/2017	40,404	1 year	$	33,000	$	—	$	33,000	$	—	$	166,000
06/20/2017	464,000	5 years	77,000		—		77,000		—		2,216,000
06/21/2016	51,284	1 year	16,000		33,000		66,000		33,000		—
06/21/2016	36,000	3 years	12,000		8,000		24,000		8,000		86,000
06/22/2015	48,000	4 years	8,000		8,000		16,000		16,000		60,000
06/22/2015	27,174	1 year	—		6,000		—		25,000		—
06/24/2014	490,000	5 years	60,000		60,000		120,000		120,000		440,000
06/19/2012	520,000	5 years	12,000		37,000		49,000		74,000		—
Totals for the period			$	218,000	$	152,000	$	385,000	$	276,000	$	2,968,000