Schedule of Prepaid Expenses and Other Current Assets (Details) - USD ($) $ in Thousands	Sep. 30, 2022	Dec. 31, 2021
Prepaid Expenses Deposits And Other Current Assets
Advanced payments to service providers and suppliers	$ 581	$ 808
Prepaid insurance	453	1,856
Deposits	3,980	1,989
EsoCheck cell collection supplies	55	434
EsoGuard mailer supplies	49	59
CarpX devices	45	33
Total prepaid expenses, deposits and other current assets	$ 5,163	$ 5,179

Amount of asset related to consideration paid in advance for insurance that provides economic benefits within a future period of one year or the normal operating cycle, if longer.

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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-Name Accounting Standards Codification
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Reference 2: http://www.xbrl.org/2003/role/exampleRef
-Publisher FASB
-Name Accounting Standards Codification
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Reference 3: http://www.xbrl.org/2003/role/exampleRef
-Publisher FASB
-Name Accounting Standards Codification
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Name:	us-gaap_PrepaidInsurance
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant