Note 5 - Business Segment Reporting

6 Months Ended

Jun. 30, 2018

Notes to Financial Statements

Segment Reporting Disclosure [Text Block]

5.

Business Segment Reporting

The Company manages its operations as

one

segment, drug testing services. As a result, the financial information disclosed herein materially represents all of the financial information related to the Company’s principal operating segment. All Brazil sales are through

one

independent distributor, which is the only customer greater than

10%

of sales. The Company’s revenues by geographic region are as follows:

	Three Months Ended June 30,				Six Months Ended June 30,
	2018		2017		2018		2017
Consolidated Revenue:	(in 000's)				(in 000's)
United States	$	7,565	$	6,591	$	14,860	$	13,045
Brazil		3,101		3,023		6,628		6,719
Other		121		70		234		129
Total Revenue	$	10,787	$	9,684	$	21,722	$	19,893