Quarterly report pursuant to Section 13 or 15(d)

CONDENSED CONSOLIDATED BALANCE SHEETS (Parenthetical) (UNAUDITED)

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CONDENSED CONSOLIDATED BALANCE SHEETS (Parenthetical) (UNAUDITED) - $ / shares
Mar. 31, 2020
Dec. 31, 2019
Statement Of Financial Position [Abstract]    
Common stock, par value $ 0.001 $ 0.001
Common stock, shares authorized 100,000,000 100,000,000
Common stock, shares issued 20,677,360 20,437,235
Common stock, shares outstanding 20,677,360 20,437,235
Preferred stock, par value $ 0.001 $ 0.001
Preferred stock, shares authorized 5,000,000 5,000,000