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Subsequent Events	3 Months Ended
Subsequent Events	Mar. 31, 2020
Subsequent Events
Subsequent Events	14. Subsequent Events The Company sold an additional 326,558 shares of common stock between April 1, 2020 and May 7, 2020, under the 2019 Sales Agreement discussed in Note 9, resulting in net proceeds of approximately $1,667 after commissions and expenses.