Summary of Significant Accounting Policies (Narrative) (Details) $ in Thousands	1 Months Ended	12 Months Ended
	Aug. 31, 2021 USD ($)	Dec. 31, 2022 USD ($) Segment	Dec. 31, 2021 USD ($)	Jan. 01, 2023 USD ($)
Summary Of Significant Accounting Policies [Line Items]
Allowance for credit losses related to notes receivable outstanding		$ 0
Accounts receivable		600	$ 600
Intangible assets impairment charges		0	0
Goodwill impairment charges		0
Deferred tax assets		9,449	4,488
Selling, General and Administrative Expenses [Member]
Summary Of Significant Accounting Policies [Line Items]
Advertising and promotion expense		$ 400	$ 400
Maximum [Member]
Summary Of Significant Accounting Policies [Line Items]
Percentage of service revenue that is recognized over a period of time against total revenue		80.00%
Adjustment to retained earnings				$ 400
Minimum [Member]
Summary Of Significant Accounting Policies [Line Items]
Adjustment to retained earnings				$ 300
American Laboratory Trading [Member]
Summary Of Significant Accounting Policies [Line Items]
Stock Issued During Period, Value, Acquisitions	$ 5,600
ASC 606 [Member]
Summary Of Significant Accounting Policies [Line Items]
Deferred revenue		$ 400
Number of reporting segment | Segment		3
ASC 606 [Member] | Maximum [Member]
Summary Of Significant Accounting Policies [Line Items]
Percentage of service revenue that is recognized over a period of time against total revenue		1.00%