Subsequent Events (Details) - Subsequent Event - USD ($)
1 Months Ended
Apr. 01, 2021
Apr. 30, 2021
Chardan Capital Markets    
Subsequent Event [Line Items]    
Conversion of units, units converted (in units)   344,988
Chardan Capital Markets | Common Stock    
Subsequent Event [Line Items]    
Shares issued, conversion of units (in shares)   247,976
Aircraft Purchase Agreement    
Subsequent Event [Line Items]    
Number of aircrafts purchased 1  
Aggregate purchase price $ 12,000,000  
Non-refundable deposit 500,000  
Event of seller default, liquidated damages recoverable $ 300,000