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v3.25.1

Note 2 - Revenue From Contracts With Customers - Assets and Liabilities (Details) - USD ($) $ in Thousands | 3 Months Ended |
--- | --- | ---
Mar. 31, 2025 | Mar. 31, 2024 | Dec. 31, 2024
Accounts payable | $ 1,455 |  | $ 909
Current portion of deferred revenue | 4,949 |  | 4,341
Deferred revenue | 51,979 |  | 55,814
Balance | 60,155 | $ 42,955 |
Increase due to minimums and lease amendment fees | 5,861 | 6,979 |
Recognition of previously deferred revenue | (9,088) | (5,951) |
Balance | 56,928 | $ 43,983 |
Coal Royalty Revenues [Member] |  |  |
Accounts payable | 175 |  | 125
Current portion of deferred revenue | 4,949 |  | 4,341
Deferred revenue | 51,979 |  | 55,814
Coal Royalty Revenues [Member] | Accounts Receivable [Member] |  |  |
Contract with customer, current | 27,235 |  | 27,358
Coal Royalty Revenues [Member] | Other Current Assets [Member] |  |  |
Contract with customer, current | 815 |  | 0
Coal Royalty Revenues [Member] | Other Long Term Assets [Member] |  |  |
Contract with customer, noncurrent | $ 1,139 |  | $ 2,352

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- Definition Carrying value as of the balance sheet date of liabilities incurred (and for which invoices have typically been received) and payable to vendors for goods and services received that are used in an entity's business. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer). + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 210 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(19)(a)) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480566/210-10-S99-1 Reference 2: http://www.xbrl.org/2003/role/exampleRef -Topic 852 -SubTopic 10 -Name Accounting Standards Codification -Section 55 -Paragraph 10 -Publisher FASB -URI https://asc.fasb.org/1943274/2147481372/852-10-55-10 + Details
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- Definition Amount, after allowance for credit loss, of right to consideration in exchange for good or service transferred to customer when right to consideration is unconditional, classified as current. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 606 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 11 -Publisher FASB -URI https://asc.fasb.org/1943274/2147479806/606-10-50-11 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 606 -SubTopic 10 -Name Accounting Standards Codification -Section 45 -Paragraph 4 -Publisher FASB -URI https://asc.fasb.org/1943274/2147479837/606-10-45-4 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Topic 606 -SubTopic 10 -Name Accounting Standards Codification -Section 45 -Paragraph 1 -Publisher FASB -URI https://asc.fasb.org/1943274/2147479837/606-10-45-1 Reference 4: http://www.xbrl.org/2003/role/disclosureRef -Topic 606 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 8 -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org/1943274/2147479806/606-10-50-8 + Details
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