Stockholders' Equity (Summary of Stock Option Activity) (Details)	12 Months Ended
Dec. 31, 2022 $ / shares shares
Time-based stock option [Member]
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items]
Number of shares, Outstanding, Beginning \| shares	12,159,000
Number of shares, Granted \| shares	5,211,000
Number of shares, Exercised \| shares	(1,052,000)
Number of shares, Canceled \| shares	(1,603,000)
Number of shares, Expired \| shares	(97,000)
Number of shares, Outstanding, Ending \| shares	14,618,000
Weighted average exercise price, Outstanding, Beginning \| $ / shares	$ 11.38
Weighted average exercise price, Granted \| $ / shares	10.34
Weighted average exercise price, Exercised \| $ / shares	3.25
Weighted average exercise price, Canceled \| $ / shares	19.66
Weighted average exercise price, Expired \| $ / shares	24.26
Weighted average exercise price, Outstanding, Ending \| $ / shares	$ 10.60
Performance-based stock options [Member] \| Omniome Plan [Member]
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items]
Number of shares, Outstanding, Beginning \| shares	304,000
Number of shares, Canceled \| shares	(46,000)
Number of shares, Outstanding, Ending \| shares	258,000
Weighted average exercise price, Outstanding, Beginning \| $ / shares	$ 4.71
Weighted average exercise price, Canceled \| $ / shares	4.71
Weighted average exercise price, Outstanding, Ending \| $ / shares	$ 4.71

Number of options or other stock instruments for which the right to exercise has lapsed under the terms of the plan agreements.

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The number of shares under options that were cancelled during the reporting period as a result of occurrence of a terminating event specified in contractual agreements pertaining to the stock option plan.

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Gross number of share options (or share units) granted during the period.

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Number of options outstanding, including both vested and non-vested options.

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Weighted average price at which grantees can acquire the shares reserved for issuance under the stock option plan.

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Weighted average price at which option holders acquired shares when converting their stock options into shares.

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Weighted average price at which grantees could have acquired the underlying shares with respect to stock options of the plan that expired.

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Weighted average price at which grantees could have acquired the underlying shares with respect to stock options that were terminated.

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Weighted average per share amount at which grantees can acquire shares of common stock by exercise of options.

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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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No definition available.

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Number of share options (or share units) exercised during the current period.

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Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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