Stock Plans (Details 1) - USD ($) $ in Thousands |
3 Months Ended | |
|---|---|---|
Mar. 31, 2024 |
Mar. 31, 2023 |
|
| Share-Based Payment Arrangement, Expensed and Capitalized, Amount [Line Items] | ||
| Total stock-based compensation | $ 290 | |
| Research and Development Expense [Member] | ||
| Share-Based Payment Arrangement, Expensed and Capitalized, Amount [Line Items] | ||
| Total stock-based compensation | 28 | |
| General and Administrative Expense [Member] | ||
| Share-Based Payment Arrangement, Expensed and Capitalized, Amount [Line Items] | ||
| Total stock-based compensation | $ 262 | |