Schedule of Changes In Fair Value (Details) $ in Thousands |
12 Months Ended |
|
Dec. 31, 2021
USD ($)
|
| Fair Value, Net Derivative Asset (Liability) Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items] |
|
| Balance as of December 31, 2020 |
$ 438
|
| Change in fair value and other adjustments |
(210)
|
| Expiration of warrants |
(1)
|
| Balance as of December 31, 2021 |
227
|
| Cell Cure Warrants [Member] |
|
| Fair Value, Net Derivative Asset (Liability) Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items] |
|
| Balance as of December 31, 2020 |
437
|
| Change in fair value and other adjustments |
(210)
|
| Expiration of warrants |
|
| Balance as of December 31, 2021 |
227
|
| Lineage Warrants [Member] |
|
| Fair Value, Net Derivative Asset (Liability) Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items] |
|
| Balance as of December 31, 2020 |
1
|
| Change in fair value and other adjustments |
|
| Expiration of warrants |
(1)
|
| Balance as of December 31, 2021 |
|