Stock-Based Compensation (Tables)

12 Months Ended

Jan. 31, 2017

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, 2016	2,411,879		$	4.16
Granted	416,525		2.02
Exercised	—		—
Expired	(342,502	)	4.20
Forfeited	(385,422	)	3.67
Outstanding as of January 31, 2017	2,100,480		$	3.82	(1)	7.72	$	3,087,706
Exercisable as of January 31, 2017	1,374,642		$	4.55	(2)	7.20	$	2,020,724
Vested or expected to vest as of January 31, 2017	1,942,650		$	3.93		7.64	$	2,855,695

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(1)	The exercise prices range from $1.19 to $8.10, of which 415,666 shares are between $1.19 and $2.00 per share, 578,463 shares are between $2.08 and $4.00 per share, and 1,106,351 shares are between $4.02 and $8.10 per share.


(2)	The exercise prices range from $1.19 to $8.10, of which 66,747 shares are between $1.19 and $2.00 per share, 335,592 shares are between $2.08 and $4.00 per share, and 972,303 shares are between $4.02 and $8.10 per share.

Schedule of Weighted-Average Assumptions

The fiscal 2016 and 2015 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:



	2016		2015
Expected life	6 years		6 years
Risk-free interest rate	2.10	%	1.51	%
Weighted average volatility factor	0.58		0.59
Dividend yield	—		—
Forfeiture rate	22	%	30	%

Schedule of Restricted Stock Award Activity

A summary of restricted stock award activity for fiscal 2016 and 2015 is presented below:



	Non-vested Number of Shares		Weighted Average Grant Date Fair Value
Non-vested balance at January 31, 2015	120,306		$	4.31
Granted	118,180		2.62
Vested	(120,306	)	4.31
Forfeited	(5,800	)	4.31
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