Annual report pursuant to Section 13 and 15(d)

Notes Payable - Narrative (Details)

v3.22.0.1
Notes Payable - Narrative (Details)
$ / shares in Units, $ in Millions
 1 Months Ended 3 Months Ended 12 Months Ended
Sep. 29, 2021
USD ($)
Jul. 30, 2021
USD ($)
Jun. 04, 2021
USD ($)
day
$ / shares
shares
Jan. 31, 2021
USD ($)
$ / shares
shares
Dec. 31, 2021
USD ($)
$ / shares
Jun. 30, 2021
USD ($)
$ / shares
shares
Dec. 31, 2021
USD ($)
$ / shares
Line of Credit Facility [Line Items]              
Exercise price per share (in dollars per share) | $ / shares       $ 0.001 $ 0.001   $ 0.001
Proceeds from issuance of warrants       $ 4.4      
Warrant              
Line of Credit Facility [Line Items]              
Number of shares issued (in shares) | shares       1,676,923      
Horizon & Powerscourt Notes | Notes Payable              
Line of Credit Facility [Line Items]              
Principal amount     $ 35.0   $ 35.0 $ 35.0 $ 35.0
Proceeds from debt $ 5.0 $ 10.0 $ 20.0   $ 15.0    
Debt instrument, term     42 months        
Interest rate     6.25%        
Interest-only payment period     18 months        
Interest-only payment extension period     24 months        
Number of business days required for prepayment | day     10        
Prepayment charges percentage     3.00%        
Additional final payment percentage     3.00%   3.00%   3.00%
Proceeds from issuance of warrants     $ 0.9        
Debt issuance costs incurred             $ 2.1
Debt instrument, final payment fee         $ 1.1   $ 1.1
Effective rate         13.50%   13.50%
Horizon & Powerscourt Notes | Notes Payable | Warrant              
Line of Credit Facility [Line Items]              
Number of shares issued (in shares) | shares     403,844     403,844  
Exercise price per share (in dollars per share) | $ / shares     $ 2.60     $ 2.60  
Warrants or rights exercisable term     10 years     10 years  
Horizon & Powerscourt Notes | Notes Payable | Prime Rate              
Line of Credit Facility [Line Items]              
Floor interest rate     3.25%