Annual report pursuant to Section 13 and 15(d)

Capital Structure - Redeemable Convertible Preferred Stock (Details)

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Capital Structure - Redeemable Convertible Preferred Stock (Details) - Lightning Systems, Inc - USD ($)
$ / shares in Units, $ in Thousands
12 Months Ended
May 06, 2021
Dec. 31, 2022
Dec. 31, 2020
Dec. 31, 2019
Minimum        
Temporary Equity [Line Items]        
Gross proceeds from IPO   $ 50,000    
Redeemable Convertible Preferred Stock        
Temporary Equity [Line Items]        
Preferred return (as a percentage)   8.00%    
Preferred dividends   $ 0    
Percentage of voting power for change of control   50.00%    
Series A redeemable convertible preferred stock        
Temporary Equity [Line Items]        
Ratio of original purchase price per share and preferred accrued but unpaid return per share   1.00    
Balance amount of stock conversion charged to additional paid in capital $ 18,036      
Series B redeemable convertible preferred stock        
Temporary Equity [Line Items]        
Ratio of original purchase price per share and preferred accrued but unpaid return per share   1.25    
Balance amount of stock conversion charged to additional paid in capital 4,101      
Series C redeemable convertible preferred stock        
Temporary Equity [Line Items]        
Ratio of original purchase price per share and preferred accrued but unpaid return per share   1.25    
Warrant to purchase shares (in shares)     4,445,783 702,811
Warrant exercise price (in usd per share)     $ 1.42 $ 1.66
Fair value of the warrants     $ 336 $ 155
Redemption of convertible notes payable     3,000  
Cash     $ 3,000  
Balance amount of stock conversion charged to additional paid in capital $ 35,203      
Series B and Series C Redeemable Convertible Preferred Stock        
Temporary Equity [Line Items]        
Series B and Series C preferred stockholders (As a percent)   70.00%