Quarterly report pursuant to Section 13 or 15(d)

Schedule of Components of Inventory (Details)

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Schedule of Components of Inventory (Details) - USD ($)
$ in Thousands
Mar. 31, 2022
Dec. 31, 2021
Accounting Policies [Abstract]    
Diagnostic services testing material $ 3,103 $ 2,989
Raw materials 1,238 1,514
Work in process 476 260
Finished goods 322 272
Inventory 5,139 5,035
Inventory valuation reserve (459) (435)
Inventory, net $ 4,680 $ 4,600