Note 8 - Revenue

9 Months Ended

Sep. 30, 2021

Notes to Financial Statements

Revenue from Contract with Customer [Text Block]

8.          Revenue

The table below disaggregates our external revenue by major source (in thousands). For additional revenue detail relating to geographic breakdown of sales, see Note 9 – “Business Segment Reporting”.

	Three Months Ended				Nine Months Ended
	September 30,				September 30,
	2021		2020		2021		2020
Testing	$	5,859	$	4,590	$	16,275	$	14,363
Shipping/Collection (hair)		774		562		2,069		1,576
Other		40		22		129		86
Total Revenue	$	6,673	$	5,174	$	18,473	$	16,025