Annual report pursuant to Section 13 and 15(d)

Equity Method Investment (Details)

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Equity Method Investment (Details)
12 Months Ended
Dec. 21, 2018
USD ($)
helicopter
Dec. 31, 2021
USD ($)
Dec. 31, 2020
USD ($)
Dec. 31, 2019
USD ($)
Schedule of Equity Method Investments [Line Items]        
Payments to acquire equity method investments   $ 0 $ 490,000 $ 680,000
Brim Acquisitions LLC        
Schedule of Equity Method Investments [Line Items]        
Initial capital of acquisition $ 2,000,000      
Number of helicopters owned | helicopter 4      
Number of helicopters leased | helicopter 5      
Carrying value of equity method investment   3,400,000 3,700,000  
Other income (loss)   (300,000) 600,000 1,000,000
Payments to acquire equity method investments   $ 0 $ 500,000 $ 700,000
Cobra Aviation Services LLC | Brim Acquisitions LLC        
Schedule of Equity Method Investments [Line Items]        
Economic interest 49.00%      
Cobra Aviation Services LLC | Brim Equipment Assets        
Schedule of Equity Method Investments [Line Items]        
Cash paid to acquire a business $ 2,000,000      
Wexford Partners Investment Co. LLC | Brim Acquisitions LLC        
Schedule of Equity Method Investments [Line Items]        
Economic interest 51.00%