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Biogas LLC - Series A Preferred Financing and Variable Interest Entity (Details Narrative) - USD ($)
 1 Months Ended 3 Months Ended 9 Months Ended
Dec. 20, 2018
Sep. 30, 2021
Sep. 30, 2020
Sep. 30, 2021
Sep. 30, 2020
Dec. 31, 2020
Totaling of series A preferred stock unit       $ 46,900,000    
Total assets of ABGL company       34,800,000    
Long-term liabilities   $ 38,300,000   38,300,000   $ 32,000,000.0
Accretion Expense   2,300,000 $ 1,800,000 7,700,000 $ 4,100,000  
Accrued preference payments expense   800,000.0 $ 800,000 2,400,000.0 $ 2,400,000  
Offset capitalized interest   $ 1,000,000.0   $ 2,100,000    
Preferred Units Series A [Member] | Second Tranche [Member]            
Stock redeemed or called during period shares       20,000    
Reduced redemption shares       20,000    
Preferred stock unit   626,000   626,000    
Preferred stock amunt   $ 3,100,000   $ 3,100,000    
Redemption unit value       300,000    
Reduced redemption shares amount       14,000,000.0    
Preferred Units Series A [Member] | First Tranche [Member]            
Preferred stock amunt   16,000,000.0   $ 16,000,000.0    
Preferred shares issued       2,800,000    
Series A Preferred Stocks [Member]            
Conversion of common stock into shares 1,200,000          
Common stock shares 6,000,000          
Per shares $ 5.00          
Proceeds from preferred stock $ 30,000,000          
Additional common unit 5,000,000          
Property tax accrual amount   $ 0   $ 0   0
Preferred Units Series A [Member]            
Conversion of common stock into shares 1,200,000          
Preferred stock unit   3,200,000   3,200,000    
Redemption unit value       $ 300,000    
Total amount $ 30,000,000          
Shares percentage 75.00% 75.00%   75.00%    
Increases payment of cash flow 100%          
Redemption value       $ 89,700,000    
Accrued preference payments   $ 8,700,000   $ 8,700,000   $ 2,000,000.0
Preferred stock shares authorized 11,000,000 11,000,000   11,000,000    
Convertible preferred stock 6,000,000 6,000,000   6,000,000    
Preference payments $ 0.50          
Maximum number of shares 5,000,000          
Redemption per share $ 15          
Cash flow amount 90,000,000          
Paid fees $ 900,000          
Increases conversion of common stock units 5,000,000          
Redemption payments increased rate   100.00%   100.00%    
Initial rate free cash flows   75.00%   75.00%