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Investment in equity securities
3 Months Ended
Mar. 31, 2020
Investment in equity securities [Abstract]  
Investment in equity securities
10.
Investment in equity securities

The Company has invested in equity securities of an international oil and gas drilling contractor. The cost of the investment was $3,667. As of March 31, 2020 and December 31, 2019, the Company owned 295,256 shares of that contractor and the fair value of the investment was $140 and $2,540, respectively.

The unrealized (loss) gain of $(2,400) and $896 for the three months ended March 31, 2020 and 2019, respectively, is included within Other expense (income), net in the condensed consolidated statements of operations and comprehensive loss.