Other Current Assets (Details) - USD ($) $ in Thousands |
Dec. 31, 2021 |
Dec. 31, 2020 |
|---|---|---|
| Other prepaid expenses | $ 1,300 | |
| Other current assets | $ 1,843 | 928 |
| Prepaid Expenses [Member] | ||
| Other current assets | 1,800 | 900 |
| Prepaid Expenses [Member] | BP1002 in lymphoma, prexigebersen in AML and prexigebersen-A [Member] | ||
| Other current assets | 600 | |
| Prepaid Expenses [Member] | Acute Myeloid Leukemia And Chronic Myelogenous Leukemia [Member] | ||
| Other current assets | 1,400 | |
| Prepaid insurance | 300 | |
| Other Prepaid Expenses [Member] | Acute Myeloid Leukemia [Member] | ||
| Other prepaid expenses | $ 100 | |
| Other Prepaid Expenses [Member] | BP1002 in lymphoma, prexigebersen in AML and prexigebersen-A [Member] | ||
| Prepaid insurance | $ 300 |