Note 10 - Revenue

3 Months Ended

Mar. 31, 2018

Notes to Financial Statements

Revenue from Contract with Customer [Text Block]

10.

Revenue

We currently operate as

one

operating segment focusing on biopreservation media.

The following table disaggregates revenue by market segment and distributors:

	Three Months Ended March 31,
	2018		2017
Net product sales:
Regenerative medicine	$	2,103,552	$	1,051,170
Drug discovery		376,975		277,914
BioBanking		295,112		277,429
Distributors		1,039,243		759,688
Total revenues		3,814,882		2,366,201