Customer Concentration

3 Months Ended

Mar. 31, 2019

Customer Concentration [Abstract]

Concentration Risk Disclosure [Text Block]

6. Concentration of Credit Risk

Product Line Concentration

The percentage of total revenue recognized, which individually accounted for 10% or more of the Company’s total revenues in one or more of the periods presented below, was as follows:

	Three Months Ended March 31,
Licensee	2019	2018
Noden	51%	48%
Assertio	27%	19%
LENSAR	17%	13%