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Subsequent Events	3 Months Ended
Subsequent Events	Mar. 31, 2019
Subsequent Events [Abstract]
Subsequent Events	12. Subsequent Events The Company has evaluated events that have occurred subsequent to March 31, 2019 and through May 15, 2019, the date of the filing of this report. There have been no additional material subsequent events that occurred during such period that would require disclosure in this report or would be required to be recognized in the financial statements as of March 31, 2019.