Annual report pursuant to Section 13 and 15(d)

Leased Properties and Leases - Amortization, Depreciation Expense, Accretion Expense (Details)

v3.20.4
Leased Properties and Leases - Amortization, Depreciation Expense, Accretion Expense (Details) - USD ($)
 12 Months Ended
Dec. 31, 2020
Dec. 31, 2019
Dec. 31, 2018
Sale Leaseback Transaction [Line Items]      
Depreciation Expense $ 3,400,000 $ 3,400,000 $ 3,400,000
ARO Accretion Expense 461,713 443,969  
All Properties [Member]      
Sale Leaseback Transaction [Line Items]      
Depreciation Expense 9,748,658 18,671,720 20,986,461
Amortization Expense - Deferred Lease Costs 61,248 91,932 91,932
ARO Accretion Expense 461,713 443,969 499,562
Net Deferred Lease Costs 168,191 687,736  
GIGS      
Sale Leaseback Transaction [Line Items]      
Depreciation Expense 6,013,322 9,763,163 10,836,590
Amortization Expense - Deferred Lease Costs 30,564 30,564 30,564
ARO Accretion Expense 461,713 443,969 499,562
Net Deferred Lease Costs 168,191 198,755  
Pinedale      
Sale Leaseback Transaction [Line Items]      
Depreciation Expense 3,695,599 8,869,440 8,869,440
Amortization Expense - Deferred Lease Costs 30,684 61,368 61,368
Net Deferred Lease Costs 0 488,981  
Portland Terminal Facility      
Sale Leaseback Transaction [Line Items]      
Depreciation Expense 0 0 1,243,769
United Property Systems      
Sale Leaseback Transaction [Line Items]      
Depreciation Expense $ 39,737 $ 39,117 $ 36,662