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Condensed Consolidated Balance Sheets (Parenthetical) - $ / shares
Mar. 31, 2020
Dec. 31, 2019
Condensed Consolidated Balance Sheets    
Common stock, par value (in dollars per share) $ 0.0001 $ 0.0001
Common stock, shares authorized 150,000,000 150,000,000
Common stock, shares issued 28,671,222 28,567,837
Common stock, shares outstanding 28,671,222 28,567,837