Stock-Based Compensation (Tables)

12 Months Ended

Jan. 31, 2018

Employee Stock Ownership Plan (ESOP), Shares in ESOP [Abstract]

A summary of stock option activity follows:



	Options		Weighted Average Exercise Price			Remaining Life in Years	Aggregate intrinsic value
Outstanding as of February 1, 2017	2,100,480		$	4.16
Granted	265,000		1.17
Exercised	—		—
Expired	(133,323	)	4.73
Forfeited	(59,001	)	2.24
Outstanding as of January 31, 2018	2,173,156		$	3.42	(1)	7.11	$	3,868,218
Exercisable as of January 31, 2018	1,626,404		$	3.98	(2)	6.67	$	2,894,999
Vested or expected to vest as of January 31, 2018	2,102,078		$	3.47		7.07	$	3,741,699

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(1)	The exercise prices range from $1.06 to $8.10, of which 677,499 shares are between $1.06 and $2.00 per share, 525,240 shares are between $2.19 and $4.00 per share, and 970,417 shares are between $4.02 and $8.10 per share.


(2)	The exercise prices range from $1.18 to $8.10, of which 254,332 shares are between $1.18 and $2.00 per share, 442,155 shares are between $2.19 and $4.00 per share, and 929,917 shares are between $4.02 and $8.10 per share.

Schedule of Weighted-Average Assumptions

The fiscal 2017 and 2016 stock-based compensation was estimated at the date of grant using a Black-Scholes option pricing model with the following weighted average assumptions for each fiscal year:



	2017		2016
Expected life	6 years		6 years
Risk-free interest rate	2.65	%	2.10	%
Weighted average volatility factor	0.65		0.58
Dividend yield	—		—
Forfeiture rate	13	%	22	%

Schedule of Restricted Stock Award Activity

A summary of restricted stock award activity for fiscal 2017 and 2016 is presented below:



	Non-vested Number of Shares		Weighted Average Grant Date Fair Value
Non-vested balance at January 31, 2016	112,380		$	2.62
Granted	858,225		1.59
Vested	(112,380	)	2.56
Forfeited	—		—
Non-vested balance at January 31, 2017	858,225		$	1.59
Granted	295,337		1.17
Vested	(331,975	)	1.47
Forfeited	—		—
Non-vested balance at January 31, 2018	821,587		$	1.59