Quarterly report pursuant to Section 13 or 15(d)

Schedule of Basic and Diluted Loss Per Share (Details)

v3.21.2
Schedule of Basic and Diluted Loss Per Share (Details) - USD ($)
$ / shares in Units, $ in Thousands
 3 Months Ended 9 Months Ended
Sep. 30, 2021
Jun. 30, 2021
Mar. 31, 2021
Sep. 30, 2020
Jun. 30, 2020
Mar. 31, 2020
Sep. 30, 2021
Sep. 30, 2020
Earnings Per Share [Abstract]                
Net income (loss) $ (2,343) $ (2,199) $ (2,633) $ (2,438) $ (4,028) $ 1,169 $ (7,175) $ (5,297)
Net income (loss), effect of dilutive warrant securities (480)         (225) (2,073)
Net income (loss), diluted calculation (2,823)     (2,438)     (7,400) (7,370)
Deemed dividend and accretion of a discount, basic calculation     (74)     (9,565)
Deemed dividend and accretion of a discount, effect of dilutive warrant securities        
Deemed dividend and accretion of a discount, diluted calculation     (74)     (9,565)
Net loss attributable to common stockholders, basic calculation (2,343)     (2,512)     (7,175) (14,862)
Net loss attributable to common stockholders, effect of dilutive warrant securities (480)         (225) (2,073)
Net loss attributable to common stockholders, diluted calculation $ (2,823)     $ (2,512)     $ (7,400) $ (16,935)
Number of shares used in per common share calculations: basic calculation 24,703,156     22,774,263     24,686,533 13,671,866
Number of shares used in per common share calculations: effect of dilutive warrant securities 366,187         410,605 1,422,410
Number of shares used in per common share calculations: diluted calculation 25,069,343     22,774,263     25,097,138 15,094,276
Net income (loss), basic calculation $ (0.09)     $ (0.11)     $ (0.29) $ (0.39)
Net income (loss), effect of dilutive warrant securities (0.02)         (0.10)
Net income (loss), diluted calculation (0.11)     (0.11)     (0.29) (0.49)
Deemed dividend and accretion of a discount, basic calculation         (0.70)
Deemed dividend and accretion of a discount, effect of dilutive warrant securities         0.07
Deemed dividend and accretion of a discount, diluted calculation         (0.63)
Net loss attributable to common stockholders, basic calculation (0.09)     (0.11)     (0.29) (1.09)
Net loss attributable to common stockholders, effect of dilutive warrant securities (0.02)         0.03
Net loss attributable to common stockholders, diluted calculation $ (0.11)     $ (0.11)     $ (0.29) $ (1.12)