Note 13 - Segment Reporting (Tables)

6 Months Ended

Jun. 30, 2018

Notes Tables

Schedule of Revenue from External Customers Attributed to Foreign Countries by Geographic Area [Table Text Block]

	Three Months Ended June 30,
	2018		2017
Revenue mix by geography:
United States	$	28,132	$	24,239
Japan		3,946		3,710
Asia, excluding Japan		4,231		2,830
Europe		1,803		1,219
Rest of the world		4,441		4,391
Total consolidated revenue	$	42,553	$	36,389
Revenue mix by product category:
Products	$	35,291	$	30,115
Consumables		1,057		649
Skincare		1,302		963
Total product revenue	$	37,650	$	31,727
Service		4,903		4,662
Total consolidated revenue	$	42,553	$	36,389

	Six Months Ended June 30,
	2018		2017
Revenue mix by geography:
United States	$	49,268	$	40,783
Japan		7,501		7,590
Asia, excluding Japan		7,074		6,014
Europe		4,373		3,445
Rest of the World		8,462		7,856
Total consolidated revenue	$	76,678	$	65,688
Revenue mix by product category:
Products	$	62,530	$	53,107
Consumables		1,826		1,148
Skincare		2,558		1,947
Total product revenue	$	66,914	$	56,202
Service		9,764		9,486
Total consolidated revenue	$	76,678	$	65,688