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Loss Per Common Share | 12 Months Ended
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Sep. 30, 2021
Earnings Per Share [Abstract] |
Loss Per Common Share | 17. Loss Per Common Share Basic loss per share is computed by dividing net loss available to common stockholders by the weighted average number of common shares used in basic loss per share during the period. Diluted loss per share is determined on the assumption that outstanding RSUs have been exchanged for common stock and outstanding dilutive stock options have been exercised and the aggregate proceeds as defined were used to reacquire common stock using the average price of such common stock for the period. The following table summarizes the calculation of net loss and weighted average common shares and common equivalent shares outstanding for purposes of the computation of loss per share (in thousands, except share and per share amounts):
|  | YEAR ENDED SEPTEMBER 30, |
|  | 2021 |  |  | 2020 |
Net loss |  | $ | (14,056 | ) |  | $ | (19,242 | )
Less: Loss allocable to unvested restricted stock |  |  | — |  |  |  | — |
Loss attributable to common shareholders for diluted earnings per share |  | $ | (14,056 | ) |  | $ | (19,242 | )
Weighted average number of common share equivalents: |  |  |  |  |  |  |  |
Common shares used in basic loss per share |  |  | 13,358,930 |  |  |  | 13,525,179 |
Common share equivalents outstanding related to stock options and RSUs |  |  | — |  |  |  | — |
Total weighted average common shares and common share equivalents used in diluted loss per share |  |  | 13,358,930 |  |  |  | 13,525,179 |
Loss per shares: |  |  |  |  |  |  |  |
Basic |  | $ | (1.05 | ) |  | $ | (1.42 | )
Diluted |  | $ | (1.05 | ) |  | $ | (1.42 | )
For the calculation of diluted loss per share for fiscal years 2021 and 2020, stock options of 38,800 and 91,100, respectively, and RSUs of 299,374 and 218,257, respectively, were excluded in the calculation of weighted average shares outstanding as a result of their impact being antidilutive.

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