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Consolidated Balance Sheets - USD ($)
$ in Thousands
Dec. 31, 2020
Dec. 31, 2019
Current assets:    
Cash and cash equivalents $ 11,232 $ 15,339
Trade and other receivables 5,075 7,061
Net profits interests receivable—related party 1,914 5,882
Total current assets 18,221 28,282
Oil and natural gas properties (full cost method) 399,324 405,670
Accumulated full cost depletion (331,361) (319,544)
Total 67,963 86,126
Operating lease right-of-use asset 1,392 1,632
Total assets 88,327 116,883
Current liabilities:    
Accounts payable and other current liabilities 1,578 2,052
Operating lease liability 300 310
Total current liabilities 1,878 2,362
Operating lease liability 1,885 2,185
Total liabilities 3,763 4,547
Commitments and contingencies (Note 5)
Partnership capital:    
General Partner 536 1,228
Unitholders 84,028 111,108
Total partnership capital 84,564 112,336
Total liabilities and partnership capital 88,327 116,883
Leasehold Improvements [Member]    
Current assets:    
Leasehold improvements 989 989
Accumulated amortization (238) (146)
Total $ 751 $ 843