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Loss Per Common Share (Computation of Basic and Diluted (Loss) Income Per Common Share) (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2022 | Dec. 31, 2021 | Dec. 31, 2020
Basic loss per common share |  |  |  |
Net loss | $ (19,192) | $ (14,834) | $ (16,682) |
Net loss allocated to participating securities | 98 | 94 | 111 |
Net loss allocated to common shareholders | $ (19,094) | $ (14,740) | $ (16,571) |
Basic weighted-average common shares outstanding | 40,032 | 38,983 | 37,861 |
Basic loss per common share (in dollars per share) | $ (0.48) | $ (0.38) | $ (0.44) |
Diluted loss per common share |  |  |  |
Net loss | $ (19,192) | $ (14,834) | $ (16,682) |
Net loss allocated to participating securities | 98 | 94 | 111 |
Net loss allocated to common shareholders | $ (19,094) | $ (14,740) | $ (16,571) |
Basic weighted-average common shares outstanding | 40,032 | 38,983 | 37,861 |
Effect of dilutive options and awards (in shares) | 0 | 0 | 0 | [1]
Diluted weighted-average common shares outstanding | 40,032 | 38,983 | 37,861 |
Diluted loss per common share (in dollars per share) | $ (0.48) | $ (0.38) | $ (0.44) |
[1] | We excluded stock options from the calculation of diluted weighted-average common shares outstanding if the per share value, including the sum of (i) the exercise price of the options and (ii) the amount of the compensation cost attributed to future services and not yet recognized, was greater than the average market price of the shares because the inclusion of these stock options would be antidilutive to loss per common share. For the years ended December 31, 2022, 2021, and 2020 all stock options and awards were excluded from the calculation of diluted weighted-average common shares outstanding as these would be antidilutive to the net loss.

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