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Stock Compensation (Schedule Of Weighted-Average Assumptions Used To Determine The Fair Value Of Options) (Details)	3 Months Ended	6 Months Ended
	Jun. 30, 2023	Jun. 30, 2023
ESPP
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Expected life	6 months	6 months
Expected stock price volatility	66.00%	66.00%
Risk-free interest rate	4.77%	4.77%
Stock Options
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Expected life	5 years	5 years
Expected stock price volatility	45.00%	45.00%
Risk-free interest rate	3.94%	3.94%

X

- Definition

The estimated measure of the percentage by which a share price is expected to fluctuate during a period. Volatility also may be defined as a probability-weighted measure of the dispersion of returns about the mean. The volatility of a share price is the standard deviation of the continuously compounded rates of return on the share over a specified period. That is the same as the standard deviation of the differences in the natural logarithms of the stock prices plus dividends, if any, over the period.

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- Definition

The risk-free interest rate assumption that is used in valuing an option on its own shares.

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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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Expected term of award under share-based payment arrangement, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days.

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