Equity Incentive Plans (Narrative) (Details) - USD ($) $ / shares in Units, $ in Millions	12 Months Ended
Dec. 31, 2025	Dec. 31, 2024
Employee Stock Ownership Plan (ESOP) Disclosures [Line Items]
Reserved shares	44,111,728	49,658,733
Common stock closing price	$ 6.28
Weighted average grant date fair value	$ 1.65	$ 2.54
Fair value of vested options	$ 2.4	$ 2.8
Equity Incentive Plan 2016
Employee Stock Ownership Plan (ESOP) Disclosures [Line Items]
Expiration period of share-based payment award	4 years
Shares available for future grants under the 2016 Plan	3,986,228	3,405,908
Maximum \| Equity Incentive Plan 2016
Employee Stock Ownership Plan (ESOP) Disclosures [Line Items]
Expiration period of share-based payment award	10 years
Equity Incentive Plan 2016
Employee Stock Ownership Plan (ESOP) Disclosures [Line Items]
Percentage of annual increase in number of shares	5.00%
Employee Stock Purchase Plan 2016
Employee Stock Ownership Plan (ESOP) Disclosures [Line Items]
Percentage of annual increase in number of shares	1.00%
Share-Based Compensation Arrangement by Share-Based Payment Award, Number of Additional Shares Authorized	30,000
Additional awards	0
Reserved shares	14,032
Restricted stock awards
Employee Stock Ownership Plan (ESOP) Disclosures [Line Items]
Unrecognized compensation cost related to unvested options	$ 2.1
Weighted-average remaining period for recognition of compensation costs related to unvested options	1 year 10 months 24 days

Aggregate number of common shares reserved for future issuance.

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