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Other Financial Information - Prepaid Expenses (Details) - USD ($) $ in Thousands	Dec. 31, 2022	Dec. 31, 2021
Other Financial Information [Abstract]
Diagnostic testing supplies	$ 1,795	$ 1,091
Prepaid product royalties	40	49
Prepaid maintenance and insurance contracts	2,072	2,008
Other prepaid and other current assets	236	490
Prepaid and other current assets	$ 4,143	$ 3,638

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