Quarterly report pursuant to Section 13 or 15(d)

Basic and Diluted Net Income (Loss) Per Common Share - Schedule of Basic and Diluted Loss Per Share (Details)

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Basic and Diluted Net Income (Loss) Per Common Share - Schedule of Basic and Diluted Loss Per Share (Details) - USD ($)
$ / shares in Units, $ in Thousands
 3 Months Ended
Mar. 31, 2020
Mar. 31, 2019
Earnings Per Share [Abstract]    
Net income (loss) $ 1,169 $ (1,629)
Deemed dividend and accretion of a discount, basic calculation (9,284)
Net loss attributable to common stockholders, basic calculation $ (8,115) $ (1,629)
Number of shares used in per common share calculations: basic calculation 6,020,889 726,455
Net income (loss), basic calculation $ 0.19 $ (2.24)
Deemed dividend and accretion of a discount, basic calculation (1.54)
Net loss attributable to common stockholders, basic calculation $ (1.35) $ (2.24)
Net income, effect of dilutive warrant securities $ (4,166)  
Deemed dividend and accretion of a discount, effect of dilutive warrant securities  
Net loss attributable to common stockholders, effect of dilutive warrant securities $ (4,166)  
Number of shares used in per common share calculations: effect of dilutive warrant securities 2,014,503  
Net income, effect of dilutive warrant securities $ (0.56)  
Deemed dividend and accretion of a discount, effect of dilutive warrant securities 0.38  
Net loss attributable to common stockholders, effect of dilutive warrant securities $ (0.18)  
Net income, diluted calculation $ (2,997)  
Deemed dividend and accretion of a discount, diluted calculation (9,284)  
Net loss attributable to common stockholders, diluted calculation $ (12,281)  
Number of shares used in per common share calculations: diluted calculation 8,035,392 726,455
Net income, diluted calculation $ (0.37) $ (2.24)
Deemed dividend and accretion of a discount, diluted calculation (1.16)
Net loss attributable to common stockholders, diluted calculation $ (1.53) $ (2.24)