Quarterly report pursuant to Section 13 or 15(d)

Fair Value Measurements - Narrative (Details)

v3.23.2
Fair Value Measurements - Narrative (Details)
$ / shares in Units, shares in Millions, $ in Millions
 6 Months Ended
Dec. 21, 2020
shares
item
$ / shares
Jun. 30, 2023
USD ($)
$ / shares
shares
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Number of tranches for issuance | item 3  
Number of shares issued or issuable (in shares) | shares   10.0
Purchase share price (in dollars per share) | $ / shares   $ 0.48
Expected volatility   5.30%
Purchase price of common stock, percent   128.20%
Dividend yield   0.00%
Expected term (in years)   11 months 23 days
Derivative, notional amount | $   $ 3.7
Securities Purchase Agreement | Terex USA, LLC    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Purchase share price (in dollars per share) | $ / shares   $ 0.48
Expected volatility   5.40%
Purchase price of common stock, percent   121.90%
Dividend yield   0.00%
Expected term (in years)   9 months 7 days
Derivative, notional amount | $   $ 0.6
Money market funds, at carrying value | $   $ 2.3
Contingent Consideration, Earnout Shares, Tranche 1    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Contingent consideration number of earnout shares | shares 5.0  
Earnout share price target | $ / shares $ 18  
Contingent Consideration, Earnout Shares, Tranche 2    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Contingent consideration number of earnout shares | shares 5.0  
Earnout share price target | $ / shares $ 25  
Share price target period 4 years  
Contingent Consideration, Earnout Shares, Tranche 3    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Contingent consideration number of earnout shares | shares 5.0  
Earnout share price target | $ / shares $ 30  
Share price target period 5 years  
Earnout Shares Liability    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Contingent consideration number of earnout shares | shares 15.0