Annual report pursuant to Section 13 and 15(d)

Subsequent Events (Details)

v3.21.1
Subsequent Events (Details) - Senior Notes
 12 Months Ended
Oct. 01, 2020
USD ($)
Feb. 04, 2019
USD ($)
Mar. 31, 2021
USD ($)
MW
May 13, 2021
USD ($)
MW
May 12, 2021
USD ($)
MW
Term Note Payable, Note Purchase Agreement          
Subsequent Events          
Aggregate principal amount   $ 30,000,000      
Debt instrument, issuance date   Feb. 04, 2019      
Term Note Payable, Amended and Restated Note Purchase Agreement          
Subsequent Events          
Aggregate principal amount $ 20,000,000        
Write-off of expense attributed to the fair value of the warrant shares and fees paid to the collateral agent     $ 1,500,000    
Debt instrument, issuance date Oct. 01, 2020        
Debt instrument, covenants, minimum consolidated liquidity     $ 9,000,000    
Debt instrument, covenants, minimum power of Rental Fleet by 9-month anniversary of Closing Date | MW     6.25    
Debt instrument, covenants, minimum power of Rental Fleet by 18-month anniversary of Closing Date | MW     12.50    
Term Note Payable, Amended and Restated Note Purchase Agreement | London Interbank Offered Rate (LIBOR)          
Subsequent Events          
Variable interest rate basis spread (as a percent) 8.75%        
Term Note Payable, Amended and Restated Note Purchase Agreement | Subsequent event          
Subsequent Events          
Debt instrument, covenants, minimum consolidated liquidity       $ 12,200,000 $ 9,000,000
Debt instrument, covenants, minimum power of Rental Fleet by 9-month anniversary of Closing Date | MW       2.00 6.25
Debt instrument, covenants, minimum power of Rental Fleet by 18-month anniversary of Closing Date | MW       12.50 12.50