Stock Options - Narrative (Details) - USD ($) |
12 Months Ended | ||
|---|---|---|---|
Dec. 31, 2023 |
Dec. 31, 2022 |
Sep. 01, 2020 |
|
| Share-based Payment Arrangement, Option | |||
| Share-based Compensation Arrangement by Share-based Payment Award [Line Items] | |||
| Number of shares granted (in shares) | 25,000 | 441,981 | |
| Weighted-average grant-date fair market values (in dollars per share) | $ 9,007 | $ 259,235 | |
| Share-based compensation expense | $ 1,200,000 | $ 1,700,000 | |
| Unrecognized share-based compensation expense | 200,000 | ||
| Aggregated intrinsic value | $ 0 | ||
| Share-based Payment Arrangement, Option | Termination of certain employees | |||
| Share-based Compensation Arrangement by Share-based Payment Award [Line Items] | |||
| Vested (in shares) | 98,850 | ||
| Vested in period, fair value | $ 200,000 | ||
| Plan 2020 | |||
| Share-based Compensation Arrangement by Share-based Payment Award [Line Items] | |||
| Shares authorized (in shares) | 3,000,000 | ||
| Plan 2015 | |||
| Share-based Compensation Arrangement by Share-based Payment Award [Line Items] | |||
| Shares authorized (in shares) | 57,800 | 216,767 | |
| X | ||||||||||
- Definition Amount of expense for award under share-based payment arrangement. Excludes amount capitalized. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
|
| X | ||||||||||
- Definition Amount of cost not yet recognized for nonvested award under share-based payment arrangement. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
|
| X | ||||||||||
- Definition 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. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
|
| X | ||||||||||
- Definition Number of shares authorized for issuance under share-based payment arrangement. Reference 1: http://www.xbrl.org/2003/role/exampleRef
|
| X | ||||||||||
- Definition Gross number of share options (or share units) granted during the period. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
|
| X | ||||||||||
- Definition The weighted average grant-date fair value of options granted during the reporting period as calculated by applying the disclosed option pricing methodology. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
|
| X | ||||||||||
- Definition Amount by which the current fair value of the underlying stock exceeds the exercise price of options outstanding. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
|
| X | ||||||||||
- Definition Fair value of options vested. Excludes equity instruments other than options, for example, but not limited to, share units, stock appreciation rights, restricted stock. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
|
| X | ||||||||||
- Definition Number of options vested. No definition available.
|
| X | ||||||||||
- Details
|
| X | ||||||||||
- Details
|
| X | ||||||||||
- Details
|
| X | ||||||||||
- Details
|