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Schedule of Other Current Liabilities (Details) - USD ($) $ in Thousands | Dec. 31, 2021 | Dec. 31, 2020
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Other Liabilities Disclosure [Abstract] |  |
Accrued diagnostic services commissions | $ 1,283 | $ 461
Accrued payroll | 514 | 464
Accrued expenses | 300 | 304
Accrued returns | 338 | 291
Accrued income tax payable | 1,312 | 8
Accrued benefits and vacation | 60 | 34
Total other current liabilities | $ 3,807 | $ 1,562

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