XML 52 R41.htm IDEA: XBRL DOCUMENT v3.23.3
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