Annual report pursuant to Section 13 and 15(d)

RELATED-PARTY TRANSACTIONS (Details)

v3.22.0.1
RELATED-PARTY TRANSACTIONS (Details) - USD ($)
12 Months Ended
Aug. 31, 2018
Dec. 31, 2021
Dec. 31, 2020
Dec. 31, 2019
Related Party Transaction [Line Items]        
Amounts due from related party, current     $ 474,000  
Amounts due from related party, long term     5,450,000  
Discontinued operations        
Related Party Transaction [Line Items]        
Percentage of ownership interest acquired as consideration for sale of business 9.99%      
AerLine Holdings        
Related Party Transaction [Line Items]        
Amounts due from related party     5,900,000  
Amounts due from related party, current     500,000  
Amounts due from related party, long term     5,400,000  
Majority Shareholder        
Related Party Transaction [Line Items]        
Total management fees paid   $ 0 $ 0 $ 600,000