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Interest and Other Income	6 Months Ended
Interest and Other Income	Jun. 30, 2018
Interest and Other Income
Interest and Other Income	16. Interest and Other Income For the six months ended June 30, 2018 the Company recognized approximately $0.1 million of interest and other income primarily related to the mark-to-market of Golden Tag shares held by the Company (see Note 3 and Note 4). For the six months ended June 30, 2017 the Company had only a nominal amount of interest and other income.