Equity Incentive Plans (Narrative) (Details) - USD ($) $ / shares in Units, $ in Millions |
1 Months Ended | 9 Months Ended |
---|---|---|
Jul. 31, 2023 |
Sep. 30, 2023 |
|
Stock-based compensation expense | $ 0.6 | |
Stock Option [Member] | ||
Common stock closing price | $ 3.00 | |
Unrecognized compensation cost related to unvested options | $ 1.1 | |
Restricted Stock Awards [Member] | ||
Additional awards | 0 | |
Restricted Stock Awards [Member] | Minimum [Member] | ||
Vesting period of share-based compensation award | 2 years | |
Restricted Stock Awards [Member] | Maximum [Member] | ||
Vesting period of share-based compensation award | 4 years | |
Stock Options And Restricted Stock Awards [Member] | ||
Weighted-average remaining period for recognition of compensation costs related to unvested options | 1 year 8 months 15 days | |
Equity Incentive Plan 2016 [Member] | ||
Vesting period of share-based compensation award | 4 years | |
Equity Incentive Plan 2016 [Member] | Maximum [Member] | ||
Expiration period of share-based payment award | 10 years |