Long-Term Debt, $18.0 million Term Loan Facility (Details) - $18.0 Million Term Loan Facility [Member] |
12 Months Ended | ||
|---|---|---|---|
|
May 07, 2021
Tranche
|
Dec. 31, 2021
USD ($)
Installment
|
Apr. 27, 2021
USD ($)
Subsidiary
|
|
| Long-Term Debt [Abstract] | |||
| Number of ship-owning subsidiaries entering into term loan facility | Subsidiary | 2 | ||
| Face amount | $ 18,000,000.0 | $ 18,000,000.0 | |
| Number of tranches drawn | Tranche | 2 | ||
| Term of loan | 4 years | ||
| Number of payment installments | Installment | 16 | ||
| Frequency of periodic payment | quarterly | ||
| Balloon installment payable at maturity | $ 6,500,000 | ||
| Quarterly Installments 1 to 4 [Member] | |||
| Long-Term Debt [Abstract] | |||
| Installment payment | 850,000 | ||
| Quarterly Installments 5 to 16 [Member] | |||
| Long-Term Debt [Abstract] | |||
| Installment payment | $ 675,000 |