| Year Ended December 31, | Change | |||||||||||||||
| 2023 | 2022 | $ | % | |||||||||||||
| (dollars in thousands) | ||||||||||||||||
| Research and Development Expenses: | ||||||||||||||||
| Salaries and wages | $ | 4,734 | $ | 5,557 | $ | (823) | (14.8 | )% | ||||||||
| Share-based compensation | 1,346 | 1,664 | (318) | (19.1 | )% | |||||||||||
| Rent, office and utilities, software licenses and communication | 1,740 | 1,834 | (94) | (5.1 | )% | |||||||||||
| Professional services | 486 | 556 | (70) | (12.6 | )% | |||||||||||
| Other | 18 | 359 | (341) | (95.0 | )% | |||||||||||
| Research and development, gross | $ | 8,324 | $ | 9,970 | $ | (1,646) | (16.5 | )% | ||||||||
| Less - participation of R&D expenses | - | (77) | 77 | (100.0 | )% | |||||||||||
| Total research and development, net | $ | 8,324 | $ | 9,893 | $ | (1,569) | (15.9 | )% | ||||||||
| Year Ended December 31, | Change | |||||||||||||||
| 2022 | 2021 | $ | % | |||||||||||||
| (dollars in thousands) | ||||||||||||||||
| Research and Development Expenses: | ||||||||||||||||
| Salaries and wages | $ | 5,557 | $ | 5,293 | $ | 264 | 5.0 | % | ||||||||
| Share-based compensation | 1,664 | 2,784 | (1,120) | (40.2 | )% | |||||||||||
| Rent, office and utilities, software licenses and communication | 1,834 | 1,924 | (90) | (4.7 | )% | |||||||||||
| Professional services | 556 | 215 | 341 | 158.6 | % | |||||||||||
| Other | 359 | 254 | 105 | 41.3 | % | |||||||||||
| Research and development, gross | $ | 9,970 | $ | 10,470 | $ | (500) | (4.8 | )% | ||||||||
| Less - participation of R&D expenses | (77) | - | (77) | NM | ||||||||||||
| Total research and development, net | $ | 9,893 | $ | 10,470 | $ | (577) | (5.5 | )% | ||||||||
