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Stock Option Plans (Tables)
 12 Months Ended
Jan. 31, 2019
Disclosure of Compensation Related Costs, Share-based Payments [Abstract]  
Schedule of Fair Value Option Award
The assumptions for the periods indicated are noted in the following table.
Weighted average Black-Scholes-Merton fair value assumptions
 
Years Ending January 31,
 
2019
 
2018
 
2017
Risk free interest rate
2.51 - 2.75%
 
1.89 - 2.01%
 
—

Expected life
4.00 - 6.86 yrs
 
4.87 - 6.87 yrs
 
—

Expected volatility
49 - 49%
 
42 - 47%
 
—

Expected dividend yield
0.0%
 
0.0%
 
0.0%
Summary of Company's Stock Option Activity
The following table presents a summary of the Company’s stock option activity for the fiscal year ended January 31, 2019:
 
Number of
Shares
(in thousands)
 
Weighted
Average
Exercise
Price
 
Weighted
Average
Remaining
Contractual
Term
(in years)
 
Aggregate
Intrinsic
Value
(in thousands)
Outstanding, January 31, 2018
2,172

 
$
7.75

 
6.16
 
$
320

Granted
441

 
3.69

 
 
 
 
Exercised
—

 
—

 
 
 
 
Forfeited
(15
)
 
19.06

 
 
 
 
Expired
(435
)
 
15.74

 
 
 
 
Outstanding, January 31, 2019
2,163

 
$
5.24

 
6.54
 
$
526

Exercisable at January 31, 2019
1,371

 
$
6.12

 
5.19
 
$
399

Vested and expected to vest at January 31, 2019
2,145

 
$
5.40

 
6.49
 
$
516
Restricted Stock and Changes During Period
Restricted stock as of January 31, 2019 and changes during the fiscal year ended January 31, 2019 were as follows:
 
Year Ended January 31, 2019
 
Number of
Shares
(in thousands)
 
Weighted Average
Grant Date Fair
Value
Unvested, beginning of period
2

 
$
9.97

Granted
30

 
3.79

Vested
(32
)
 
3.81

Canceled
—

 
—

Unvested, end of period
—

 
$
—