Quarterly report pursuant to Section 13 or 15(d)

Organization and Summary of Changes in Significant Accounting Policies - Additional Information (Details)

v3.22.2.2
Organization and Summary of Changes in Significant Accounting Policies - Additional Information (Details)
$ in Thousands
 1 Months Ended 6 Months Ended
Sep. 14, 2022
USD ($)
Aug. 26, 2021
Feb. 28, 2022
USD ($)
Jul. 31, 2022
USD ($)
Segment
Jul. 31, 2021
USD ($)
Feb. 01, 2022
USD ($)
Jan. 31, 2022
USD ($)
Jan. 31, 2021
USD ($)
Organization And Summary Of Significant Accounting Policies [Line Items]                
Number Of Operating Segments | Segment       1        
Operating Lease, Right-of-Use Asset       $ 2,197   $ 2,685    
Operating lease liability       3,044   974    
Operating lease liabilities - long term       2,355   2,654    
Cash and cash equivalents       9,650 $ 14,107   $ 47,673 $ 31,543
Collectible receivables       9,227        
Accumulated deficit       (479,270)   20,000 $ (417,686)  
Payments of stock issuance costs       96 $ 0      
Lease liability, current portion       689        
Finance lease, right of use asset       136   182    
Lease liability, current portion       $ 93   $ 187    
Percentage of reduction in workforce       35.00%        
Subsequent Event [Member]                
Organization And Summary Of Significant Accounting Policies [Line Items]                
Proceeds from unsecured convertible promissory note $ 10,000              
Additional borrowings of convertible promissory note $ 15,000              
Common Stock Purchase Agreement [Member] | Tumim Stone Capital, LLC [Member]                
Organization And Summary Of Significant Accounting Policies [Line Items]                
Purchase commitment of common stock shares     $ 175,000          
Securities Purchase Agreement [Member] | 3i LP [Member]                
Organization And Summary Of Significant Accounting Policies [Line Items]                
Proceeds from unsecured convertible promissory note       $ 10,000        
Additional borrowings of convertible promissory note       $ 15,000        
IronNet Cybersecurity Inc [Member] | Business Combination Agreement [Member]                
Organization And Summary Of Significant Accounting Policies [Line Items]                
Common stock diluted exchange ratio   0.8141070