Quarterly report pursuant to Section 13 or 15(d)

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

v3.21.2
Organization and Summary of Significant Accounting Policies - Additional Information (Details)
$ / shares in Units, $ in Thousands
3 Months Ended 9 Months Ended
Aug. 26, 2021
USD ($)
$ / shares
shares
Aug. 15, 2021
USD ($)
$ / shares
shares
Oct. 31, 2021
USD ($)
$ / shares
shares
Oct. 31, 2020
USD ($)
Oct. 31, 2021
USD ($)
Segment
$ / shares
shares
Oct. 31, 2020
USD ($)
Jan. 31, 2021
USD ($)
Organization And Summary Of Significant Accounting Policies [Line Items]              
Proceeds from PIPE shares         $ 125,000    
Transaction costs $ 9,038 $ 21,180          
Recapitalization $ 13,251            
Change in net unrealized gains (losses) on available for sale investments, net of tax       $ (397) $ (398)  
Research and development     $ 28,144 $ 5,687 42,606 19,965  
Cash and cash equivalents     $ 73,891   $ 73,891   $ 31,543
Number Of Operating Segments | Segment         1    
Warrants issued | shares     8,606,473   8,606,473    
Shares Issued, Price Per Share | $ / shares     $ 12.85   $ 12.85    
Number of shares Right to receive on occurrence of Earnout event | shares 1,078            
Change in fair value of warrants liabilities         $ 11,302  
Public Warrants [Member]              
Organization And Summary Of Significant Accounting Policies [Line Items]              
Change in fair value in additional paid in capital         $ 15,740    
Warrants issued | shares     8,596,273   8,596,273    
Change in fair value of warrants liabilities         $ 15,740    
Private Warrants [Member]              
Organization And Summary Of Significant Accounting Policies [Line Items]              
Warrants issued | shares     10,200   10,200    
PIPE Shares [Member]              
Organization And Summary Of Significant Accounting Policies [Line Items]              
Issuance of common stock (in Shares) | shares 12,500,000 12,500,000          
Proceeds from PIPE shares $ 125,000 $ 125,000          
Shares Issued, Price Per Share | $ / shares $ 10.00 $ 10.00          
IronNet Cybersecurity Inc [Member] | Business Combination Agreement [Member]              
Organization And Summary Of Significant Accounting Policies [Line Items]              
Number of consecutive trading days for determining the share price 10 days            
Common stock diluted exchange ratio 0.8141070            
IronNet Cybersecurity Inc [Member] | Business Combination Agreement [Member] | Share Price Equals Or Exceeds Dollars Thirteen [Member]              
Organization And Summary Of Significant Accounting Policies [Line Items]              
Shares Issued, Price Per Share | $ / shares $ 13.00