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Stock Option Plans (Tables)
 12 Months Ended
Jan. 31, 2020
Share-based Payment Arrangement [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,
 
2020
 
2019
 
2018
Risk free interest rate
1.47 - 2.53%
 
2.51 - 2.75%
 
1.89 - 2.01%
Expected life
3.98 - 6.00 yrs
 
4.00 - 6.86 yrs
 
4.87 - 6.87 yrs
Expected volatility
49 - 51%
 
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, 2020:
 
Number of
Shares
(in thousands)
 
Weighted
Average
Exercise
Price
 
Weighted
Average
Remaining
Contractual
Term
(in years)
 
Aggregate
Intrinsic
Value
(in thousands)
Outstanding, January 31, 2019
2,163

 
$
7.75

 
6.54
 
$
526

Granted
640

 
3.96

 
 
 
 
Exercised
(9
)
 
2.80

 
 
 
 
Forfeited
(88
)
 
3.73

 
 
 
 
Expired
(266
)
 
29.86

 
 
 
 
Outstanding, January 31, 2020
2,440

 
$
4.51

 
7.08
 
$
20

Exercisable at January 31, 2020
1,461

 
$
4.87

 
5.94
 
$
15

Vested and expected to vest at January 31, 2020
2,400

 
$
4.50

 
7.02
 
$
20
Restricted Stock and Changes During Period
Restricted stock as of January 31, 2020 and changes during the fiscal year ended January 31, 2020 were as follows:
 
Year Ended January 31, 2020
 
Number of
Shares
(in thousands)
 
Weighted Average
Grant Date Fair
Value
Unvested, beginning of period
—

 
$
—

Granted
43

 
3.98

Vested
(2
)
 
3.98

Canceled
(4
)
 
3.98

Unvested, end of period
37

 
$
3.98