Annual report pursuant to Section 13 and 15(d)

INCOME TAXES - Narrative (Details)

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INCOME TAXES - Narrative (Details) - USD ($)
Dec. 31, 2022
Dec. 31, 2021
Dec. 31, 2020
Income Tax Contingency [Line Items]      
Net operating loss for federal income tax purposes $ 29,200,000 $ 28,700,000  
NOL not subject to expiration 26,400,000 26,400,000  
NOL expiring in 2034 if not utilized 328,000    
NOL expiring in 2035 if not utilized 176,000    
NOL expiring in 2036 if not utilized 328,000    
NOL expiring in 2037 if not utilized 1,900,000    
Valuation allowance 5,168,148 3,891,342  
Net operating losses eligible for carryback under the CARES Act     $ 1,200,000
Capital Loss Carryforward      
Income Tax Contingency [Line Items]      
Carryforward for tax purposes 440,000 440,000  
Corridor Private | Capital Loss Carryforward      
Income Tax Contingency [Line Items]      
Valuation allowance 92,000 92,000  
Corridor MoGas | Capital Loss Carryforward      
Income Tax Contingency [Line Items]      
Valuation allowance $ 5,200,000 $ 3,800,000