1. Company Overview (Details)	3 Months Ended
	Mar. 31, 2016	Mar. 31, 2015
Company's customers that individually comprised greater than 10% of total gross product sales
Percentage of gross product sales	94.00%	92.00%
McKesson Corporation
Company's customers that individually comprised greater than 10% of total gross product sales
Percentage of gross product sales	36.00%	46.00%
Amerisource Bergen Drug Corporation
Company's customers that individually comprised greater than 10% of total gross product sales
Percentage of gross product sales	33.00%	17.00%
Cardinal Health Inc
Company's customers that individually comprised greater than 10% of total gross product sales
Percentage of gross product sales	25.00%	29.00%