Note 2 - Revenue Recognition (Tables)

12 Months Ended

Jun. 30, 2019

	Year ended June 30,
	2019		2018		2017
Consumables	$	588,979	$	534,738	$	476,541
Instruments		67,538		61,784		47,751
Services		38,050		34,137		23,652
Total product and services revenue, net		694,567	$	630,659		547,944
Royalty revenues		19,439		12,334		15,059
Total revenues, net	$	714,006	$	642,993	$	563,003

	Year Ended June 30,
	2019		2018		2017
Net sales:
United States	$	391,191	$	346,293	$	313,195
EMEA, excluding U.K.		155,821		148,599		125,126
U.K.		34,975		33,704		28,401
APAC, excluding Greater China		52,913		48,392		41,463
Greater China		57,799		47,950		39,078
Rest of world		21,307		18,055		15,740
Total external sales	$	714,006	$	642,993	$	563,003