Concentrations and Credit Risk (Tables) - Customer concentration risk

12 Months Ended

Dec. 31, 2019

Gross Product Sales | Product Revenue

Concentrations and Credit Risk

Schedule of percentage of Company’s gross sales and accounts receivable attributable to customers

	Gross Product Sales
	Year Ended
	December 31,
	2019		2018
Amerisource Bergen	12	%	7	%
Cardinal Health	47	%	55	%
McKesson	38	%	34	%
Combined Total	97	%	96	%

Gross Product Sales | Royalty Revenue

Concentrations and Credit Risk

Schedule of percentage of Company’s gross sales and accounts receivable attributable to customers

	Year Ended
	December 31, 2019
	Gross		Gross Royalty
	Royalty Revenue		Accounts Receivable
Customer 4	75	%	93	%
Customer 5	3	%	NM	%
Combined Total	78	%	93	%

NM-Not Meaningful

	Year ended
	December 31, 2018
	Gross		Gross Royalty
	Royalty Revenue		Accounts Receivable
Customer 4	36	%	43	%
Customer 5	31	%	30	%
Combined Total	67	%	73	%

Gross Accounts Receivable | Product Revenue

Concentrations and Credit Risk

Schedule of percentage of Company’s gross sales and accounts receivable attributable to customers

	Gross Account
	Receivables
	December 31,		December 31,
	2019		2018
Amerisource Bergen	21	%	6	%
Cardinal Health	22	%	61	%
McKesson	51	%	29	%
Combined Total	94	%	96	%

Gross Accounts Receivable | Royalty Revenue

Concentrations and Credit Risk

Schedule of percentage of Company’s gross sales and accounts receivable attributable to customers

	Year Ended
	December 31, 2019
	Gross		Gross Royalty
	Royalty Revenue		Accounts Receivable
Customer 4	75	%	93	%
Customer 5	3	%	NM	%
Combined Total	78	%	93	%

NM-Not Meaningful

	Year ended
	December 31, 2018
	Gross		Gross Royalty
	Royalty Revenue		Accounts Receivable
Customer 4	36	%	43	%
Customer 5	31	%	30	%
Combined Total	67	%	73	%