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Significant Accounting policies (Details Narrative) - USD ($) | 12 Months Ended
--- | ---
Dec. 31, 2023 | Dec. 31, 2022 | Dec. 31, 2021
Accounts Receivable, Credit Loss Expense (Reversal) | $ 300,000 | $ 677,000 | $ 629,000
Inventory Write-down | $ 9,318,000 | 17,326,000 | (0)
Property, Plant and Equipment, Useful Life | 25 years |  |
Salvage value per light weight ton | $ 400 | $ 300 | $ 300
Earnings Per Share, Diluted | $ 1.75 | $ 5.52 | $ 6.71
Earnings Per Share, Basic | $ 1.76 | $ 5.54 | $ 6.73
Change in accounting estimate [Member] |  |  |
Increase in net income | $ 14,809,000 |  |
Earnings Per Share, Diluted | $ 0.15 |  |
Earnings Per Share, Basic | $ 0.15 |  |

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