Note 10 - Revenue

3 Months Ended

Mar. 31, 2019

Notes to Financial Statements

Revenue from Contract with Customer [Text Block]

10. 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

11

– “Business Segment Reporting”.

	Three Months Ended March 31,
	2019		2018
Testing	$	9,023	$	9,997
Shipping/Collection (hair)		735		824
Other		64		114
Total Revenue	$	9,822	$	10,935