v3.22.4
INCOME TAXES (Details - Schedule of Deferred Tax) - USD ($)
$ in Thousands
Dec. 31, 2022
Dec. 31, 2021
Deferred tax assets:    
Net operating loss carryforwards $ 25,309 $ 23,097
Tax credit 2,197 1,883
Fixed assets and intangibles 798 978
Stock compensation 1,052 799
Accruals and other 212 132
Lease liability 1,079 1,430
Capitalized research and development 1,797 0
Total deferred tax assets 32,444 28,319
Deferred tax liabilities:    
Right of use asset (1,076) (1,477)
Total deferred tax assets (1,076) (1,477)
Valuation allowance (31,368) (26,842)
Net deferred tax asset $ 0 $ 0