Note 10 - Revenue (Tables)

12 Months Ended

Dec. 31, 2018

Notes Tables

Disaggregation of Revenue [Table Text Block]

	Year Ended December 31,
(In thousands)	2018		2017
Regenerative Medicine	$	11,029	$	5,307
Distributors		6,418		3,232
Drug discovery		1,199		1,318
BioBanking		1,096		1,165
Total	$	19,742	$	11,022