Quarterly report pursuant to Section 13 or 15(d)

Computation of Net Loss Per Share of Common Stock (Components of Net Income (Loss) Per Basic and Diluted Share) (Details)

v3.21.2
Computation of Net Loss Per Share of Common Stock (Components of Net Income (Loss) Per Basic and Diluted Share) (Details) - USD ($)
$ / shares in Units, shares in Thousands, $ in Thousands
3 Months Ended 9 Months Ended
Sep. 30, 2021
Sep. 30, 2020
Sep. 30, 2021
Sep. 30, 2020
Net loss per share – basic        
Net loss $ (3,745) $ (1,858) $ (12,516) $ (5,222)
Weighted average number of shares outstanding, basic (in shares) 17,872 13,579 17,358 13,555
Net loss per share – basic (in dollars per share) $ (0.21) $ (0.14) $ (0.72) $ (0.39)
Net income (loss) per share – diluted        
Net loss $ (3,745) $ (1,858) $ (12,516) $ (5,222)
Numerator effect of dilutive securities (43) 0 (1,469) (294)
Net loss available to common stockholders, diluted $ (3,788) $ (1,858) $ (13,985) $ (5,516)
Weighted average number of shares outstanding, basic (in shares) 17,872 13,579 17,358 13,555
Incremental Weighted Average Shares Attributable to Dilutive Effect [Abstract]        
Weighted average number diluted shares outstanding adjustment 9 0 167 20
Weighted average number of shares outstanding, diluted (in shares) 17,881 13,579 17,525 13,575
Net loss per share – diluted (in dollars per share) $ (0.21) $ (0.14) $ (0.80) $ (0.41)
Warrants        
Incremental Weighted Average Shares Attributable to Dilutive Effect [Abstract]        
Incremental common shares attributable to dilutive effect of call options and warrants (in shares) 9 0 167 20