Stock-Based Compensation and Stockholders' Rights (Tables)

9 Months Ended

Oct. 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 October 31, 2017 and 2016:

			Expense for 3 months ended					Expense for 9 months ended				Unrecognized Compensation Cost at
Date of Grants	Units Granted	Terms of Vesting	10/31/2017			10/31/2016		10/31/2017		10/31/2016		10/31/2017
2011 Stock Incentive Plan
06/20/2017	40,404	1 year	$	50,000		$	—	$	83,000	$	—	$	116,000
06/20/2017	464,000	5 years	107,000			—		183,000		—		2,011,000
06/21/2016	51,284	1 year	—			50,000		66,000		83,000		—
06/21/2016	36,000	3 years	(8,000		)	12,000		16,000		20,000		—
06/22/2015	48,000	4 years	8,000			8,000		25,000		24,000		52,000
06/22/2015	27,174	1 year	—			—		—		25,000		—
06/24/2014	490,000	5 years	60,000			60,000		180,000		180,000		380,000
06/19/2012	520,000	5 years	—			37,000		49,000		111,000		—
Totals for the period			$	217,000		$	167,000	$	602,000	$	443,000	$	2,559,000