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Long-Term Debt, Annual Principal Payments (Details) - USD ($)
12 Months Ended
Dec. 31, 2020
Dec. 31, 2019
Long-Term Debt [Abstract]    
Restricted cash $ 500,000 $ 500,000
Annual Principal Payments [Abstract]    
Total long-term debt 13,450,000 11,000,000
Interest incurred on long-term debt 1,030,925 210,085
$11.0 Million Alpha Bank Facility [Member]    
Long-Term Debt [Abstract]    
Restricted cash 500,000 500,000
Minimum liquidity deposit per vessel 250,000  
Annual Principal Payments [Abstract]    
Total long-term debt 9,400,000 $ 11,000,000
Long-Term Debt (Including Related Party Debt) [Member]    
Annual Principal Payments [Abstract]    
2021 7,200,000  
2022 2,200,000  
2023 2,200,000  
2024 5,200,000  
2025 1,650,000  
Total long-term debt $ 18,450,000  
Weighted average interest rate 5.00% 5.80%