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Net Loss per Common Share - Reconciliation of Basic and Diluted Weighted Average Common Shares Outstanding (Details) - shares shares in Thousands	3 Months Ended
	Mar. 31, 2021	Mar. 31, 2020
Schedule of reconciliation of basic and diluted weighted average common shares outstanding
Weighted average common shares outstanding—basic (in shares)	17,938	17,529
Dilutive common shares issuable in connection with stock plans (in shares)	0	0
Weighted average common shares outstanding—diluted (in shares)	17,938	17,529

X

- Definition

Additional shares included in the calculation of diluted EPS as a result of the potentially dilutive effect of contingently issuable shares. Contingently issuable shares are those shares that are issuable for little or no cash contingent on certain conditions being met.

+ References

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-Publisher FASB
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- Definition

The average number of shares or units issued and outstanding that are used in calculating diluted EPS or earnings per unit (EPU), determined based on the timing of issuance of shares or units in the period.

+ References

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Number of [basic] shares or units, after adjustment for contingently issuable shares or units and other shares or units not deemed outstanding, determined by relating the portion of time within a reporting period that common shares or units have been outstanding to the total time in that period.

+ References

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