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Consolidated Balance Sheets (Current Period Unaudited) - USD ($)
$ in Thousands
Mar. 31, 2025
Dec. 31, 2024
Current assets    
Cash and cash equivalents $ 30,876 $ 30,444
Accounts receivable, net 31,387 31,469
Other current assets, net 2,137 1,961
Total current assets 64,400 63,874
Land 24,008 24,008
Mineral rights, net 377,245 379,638
Intangible assets, net 12,602 12,924
Equity in unconsolidated investment 261,286 257,355
Long-term contract receivable, net 22,734 23,480
Other Assets, Noncurrent 10,198 11,628
Total assets 772,473 772,907
Current liabilities    
Accounts payable 1,455 909
Accrued liabilities 5,098 12,121
Accrued interest 556 302
Current portion of deferred revenue 4,949 4,341
Current portion of long-term debt, net 14,210 14,192
Total current liabilities 26,268 31,865
Deferred revenue 51,979 55,814
Long-term debt, net 124,594 127,876
Other Liabilities, Noncurrent 5,275 6,244
Total liabilities 208,116 221,799
Commitments and contingencies (see Note 13)
Partners’ capital    
Common unitholders’ interest (13,138,097 and 13,049,123 units issued and outstanding at March 31, 2025 and December 31, 2024, respectively) 553,754 543,231
General partner’s interest 10,013 9,547
Accumulated other comprehensive income (loss) 590 (1,670)
Total partners’ capital 564,357 551,108
Total liabilities and partners' capital $ 772,473 $ 772,907