Enterprise-Wide Disclosures (Details Narrative) - USD ($) $ in Thousands |
Dec. 31, 2021 |
Dec. 31, 2020 |
|---|---|---|
| Prepaid Expense and Other Assets, Current | $ 2,351 | $ 2,433 |
| ATM Shares [Member] | ||
| Prepaid Expense and Other Assets, Current | 200 | |
| Royalties From Product Sales and License Fees [Member] | ||
| Prepaid Expense and Other Assets, Current | $ 100 |