PREV-B.STPREV-B.STSTO
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Research and development spending
| Period | Value | YoY Change |
|---|---|---|
| 2025 | $0.00 | -100.0% |
| 2024 | $287000.00 | +12.5% |
| 2023 | $255000.00 | -16.7% |
| 2022 | $306000.00 | -72.5% |
| 2021 | $1.11M | -2.3% |
| 2020 | $1.14M | -25.6% |
| 2019 | $1.53M | +6.8% |
| 2018 | $1.43M | -17.5% |
| 2017 | $1.73M | +14.8% |
| 2016 | $1.51M | - |