Royalty Payable

The Company entered into various agreements and subsequently received funding from investors for use by the Company for the research and development its OORT Product. In exchange for this funding, the Company agreed to provide investors with interest in the OORT Net Profit generated from its OORT Product in perpetuity. The following table sets forth the royalty payable to certain investors as of December 31, 2019 and 2018:



(in thousands)	Net Profit %		December 31, 2019		December 31, 2018

Potomac	10.2%	$	698	$	422
LYL	5.0%		341		206
Welmers	1.5%		103		62
Foundation	6.0%		410		248
Pendergast	1.0%		68		60
Royalty payable	23.7%	$	1,620	$	998

In connection with these agreements and a senior advisor agreement, the Company also granted net profit interests in DAVINCI (as defined in the related agreements) (the "DAVINCI interest"). The Company has buy back rights to the DAVINCI interest which it exercised during the year ended December 31, 2019 for a total consideration of approximately $1.25 million which was all paid during 2019.