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Leases (Details) - USD ($)
$ in Thousands
Oct. 31, 2019
Jan. 31, 2019
Leases [Abstract]    
Operating lease assets $ 2,482 $ 0
Current operating lease liabilities 254 0
Noncurrent operating lease liabilities 2,243 $ 0
Total lease obligations [1] $ 2,497  
[1] Operating leases payments include $34,000 related to options to extend lease terms that are reasonably certain of being exercised and new leases entered into during the quarter.