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Commitments and Contingencies | 12 Months Ended
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Dec. 31, 2020
Commitments and Contingencies Disclosure [Abstract] |
Commitments and Contingencies | In acquiring its interests in mineral claims and leases, Solitario has entered into lease agreements, which may be canceled at its option without penalty. Solitario is required to make minimum rental and option payments in order to maintain its interests in certain claims and leases. See Note 2, “Mineral Properties,” above. Solitario estimates its 2021 property rentals and option payments for properties Solitario owns, has under joint venture or Solitario operates to be approximately $788,000. Assuming that Solitario’s joint ventures continue in their current status and that Solitario does not appreciably change its property positions on existing properties, approximately $780,000 of these annual payments are paid or are reimbursable to us by Solitario’s joint venture partners. Solitario may be required to make further payments in the future if it acquires new properties or enters into new agreements.

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