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Note 3 - Acquisition of Swire Pacific Offshore Holdings Ltd - Provisional Amounts for Acquired Assets and Liabilities (Details) - Swire Pacific Offshore Holdings Ltd. [Member] - USD ($) $ in Thousands | Jun. 30, 2022 | Apr. 22, 2022 | Dec. 31, 2021
--- | --- | --- | ---
Assets |  |  |
Cash |  | $ 33,152 |
Trade and other receivables |  | 64,621 |
Marine operating supplies |  | 5,122 |
Assets held for sale |  | 2,500 |
Prepaid expenses and other current assets |  | 5,232 |
Net properties and equipment | $ 179,700 | 179,707 |
Indemnification assets (A) | $ 30,269 | 32,279 | $ 0
Other assets |  | 1,153 |
Total assets |  | 323,766 |
Accounts payable |  | 1,594 |
Accrued expenses |  | 54,924 |
Other current liabilities |  | 26,856 |
Other liabilities |  | 16,886 |
Total liabilities |  | 100,260 |
Net assets acquired |  | $ 223,506 |

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