Quarterly report pursuant to Section 13 or 15(d)

Accrued Liabilities - Schedule of Accrued Liabilities (Details)

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Accrued Liabilities - Schedule of Accrued Liabilities (Details) - USD ($)
$ in Thousands
Mar. 31, 2022
Dec. 31, 2021
Accrued Liabilities and Other Liabilities [Abstract]    
Salaries, benefits and related expenses $ 1,520 $ 2,015
Device warranty 226 195
Other 73 89
Total $ 1,819 $ 2,299