14. Concentrations (Details 1)	12 Months Ended
	Dec. 31, 2017	Dec. 31, 2016
Accounts Receivable
Cardinal Health, Inc.	31.00%	28.00%
McKesson Corporation	29.00%	36.00%
AmerisourceBergen Drug Corporation	27.00%	28.00%
Total	87.00%	92.00%