Annual report pursuant to Section 13 and 15(d)

Balance Sheet Components - Accrued liabilities (Details)

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Balance Sheet Components - Accrued liabilities (Details) - USD ($)
$ in Thousands
Dec. 31, 2022
Dec. 31, 2021
Balance Sheet Components    
Accrued vacation $ 422 $ 385
Accrued rebate 215 356
Accrued audit fees 179 191
Accrued lease liability, current portion 169  
Accrued compensation 136 231
Customer advances 44  
Accrued legal fees 43  
Accrued other 424 253
Total accrued liabilities $ 1,632 $ 1,416