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Interest and Other Income	3 Months Ended
Interest and Other Income	Mar. 31, 2018
Interest and Other Income
Interest and Other Income	16. Interest and Other Income For the three months ended March 31, 2018 and 2017 the Company had only a nominal amount of interest and other income. The 2017 amount is primarily related to interest on amounts receivable from the sale of certain mining equipment as discussed in Note 8.