XML 58 R22.htm IDEA: XBRL DOCUMENT v3.20.1
FAIR VALUE MEASUREMENTS (Tables)
 12 Months Ended
Jan. 31, 2020
FAIR VALUE MEASUREMENTS  
Schedule of Fair Value of Warrant Liability Classified as Level 3 Liabilities

The table below presents the activity within Level 3 of the fair value hierarchy (in thousands):

 

 

 

 

    

Warrant Liability

Balance as of February 1, 2018

$

39

Change in fair value of warrants

 

(28)

Balance as of January 31, 2019

 

11

Change in fair value of warrants

 

(11)

Balance as of January 31, 2020

$

 —