Consolidated Statements of Changes in Shareholders' Equity - USD ($) $ in Thousands |
Preferred Stock [Member] |
Common Stock [Member] |
Retained Earnings [Member] |
Noncontrolling Interest [Member] |
AOCI Attributable to Parent [Member] |
Total |
| Beginning balance, value at Dec. 31, 2019 |
|
$ 387,062
|
$ (273,422)
|
$ (1,712)
|
$ (681)
|
$ 111,247
|
| Balance, shares at Dec. 31, 2019 |
|
149,804
|
|
|
|
|
| Shares issued through ATM |
|
$ 5,404
|
|
|
|
5,404
|
| Shares issued through ATM, shares |
|
3,095
|
|
|
|
|
| Shares issued upon vesting of restricted stock units, net of shares retired to pay employees’ taxes |
|
$ (27)
|
|
|
|
(27)
|
| Shares issued upon vesting of restricted stock units, net of shares retired to pay employees' taxes, shares |
|
47
|
|
|
|
|
| Shares issued for services |
|
$ 119
|
|
|
|
119
|
| Shares issued for services, shares |
|
150
|
|
|
|
|
| Stock-based compensation |
|
$ 2,227
|
|
|
|
2,227
|
| Financing related fees |
|
(209)
|
|
|
|
(209)
|
| Dissolution of BioTime Asia |
|
(676)
|
(7)
|
676
|
|
(7)
|
| Hadasit non-cash warrant exercise |
|
44
|
|
|
|
44
|
| Foreign currency translation gain (loss) |
|
|
|
|
(2,986)
|
(2,986)
|
| NET LOSS |
|
|
(20,649)
|
(36)
|
|
(20,685)
|
| Ending balance, value at Dec. 31, 2020 |
|
$ 393,944
|
(294,078)
|
(1,072)
|
(3,667)
|
95,127
|
| Balance, shares at Dec. 31, 2020 |
|
153,096,000
|
|
|
|
|
| Shares issued through ATM |
|
$ 29,817
|
|
|
|
29,817
|
| Shares issued through ATM, shares |
|
11,923
|
|
|
|
|
| Shares issued upon vesting of restricted stock units, net of shares retired to pay employees’ taxes |
|
$ (54)
|
|
|
|
(54)
|
| Shares issued upon vesting of restricted stock units, net of shares retired to pay employees' taxes, shares |
|
40
|
|
|
|
|
| Shares issued for services |
|
$ 202
|
|
|
|
202
|
| Shares issued for services, shares |
|
78
|
|
|
|
|
| Stock-based compensation |
|
$ 3,519
|
|
|
|
3,519
|
| Shares issued upon exercise of stock options |
|
$ 7,429
|
|
|
|
7,429
|
| Shares issued upon exercise of stock options, shares |
|
4,320
|
|
|
|
|
| Financing related fees |
|
$ (330)
|
|
|
|
(330)
|
| Shares issued upon exercise of stock options |
|
$ 2
|
|
|
|
2
|
| Shares issued upon exercise of stock options, shares |
|
20
|
|
|
|
|
| Foreign currency translation gain (loss) |
|
|
|
|
(1,544)
|
(1,544)
|
| NET LOSS |
|
|
(43,019)
|
(251)
|
|
(43,270)
|
| Ending balance, value at Dec. 31, 2021 |
|
$ 434,529
|
$ (337,097)
|
$ (1,323)
|
$ (5,211)
|
$ 90,898
|
| Balance, shares at Dec. 31, 2021 |
|
169,477,000
|
|
|
|
|