Summary of Significant Accounting Policies (Details Narrative) - USD ($)	3 Months Ended		6 Months Ended
	Jun. 30, 2022	Jun. 30, 2021	Jun. 30, 2022	Jun. 30, 2021	Dec. 31, 2021	Jun. 25, 2021
Property, Plant and Equipment [Line Items]
Percentage of revenue services			49.00%	79.00%
Risks and uncertainties in entitys business			We continue to perform limited testing for uninsured persons and are incurring the accompanying costs. However, as a result of the suspension of the HRSA uninsured program, we did not recognize any revenue related to COVID-19 testing that we performed for uninsured individuals from March 23, 2022 through June 30, 2022
Net cash provided by used in operating activities			$ 25,108,000	$ (3,450,000)
Cash equivalents at carrying value	$ 27,500,000		27,500,000
Restricted cash					$ 250,000
Fair value of investment securities		$ (164,000)	$ 76,000	(164,000)
Description of property plant and equipment useful lives			ranges of estimated asset lives: building and improvements - ten to thirty-nine years; machinery and equipment including lab equipment - three to seven years; computer equipment and software - three to five years; and furniture and fixtures - five years
Cash and cash equivalents and restricted cash balance	24,000,000.0		$ 24,000,000.0
Federal depository insurance	900,000		900,000
Uninsured	23,100,000		23,100,000
Breakage revenue	300,000		400,000
Contract with customer liability	3,413,000		3,413,000		2,939,000
Deferred revenue	3,200,000		3,200,000		2,700,000
R&D costs incurred	28,000	93,000	63,000	208,000
Advertising and Incentive Promotion [Member]
Property, Plant and Equipment [Line Items]
Advertising and incentive promotion expenses	$ 63,000	$ 111,000	$ 124,000	$ 279,000
Minimum [Member]
Property, Plant and Equipment [Line Items]
Contract with customer estimated life			12 months
Maximum [Member]
Property, Plant and Equipment [Line Items]
Contract with customer estimated life			36 months
Investment Shares [Member]
Property, Plant and Equipment [Line Items]
Investment owned balance shares						1,260,619
Investment owned at fairValue					$ 76,000	$ 315,000