Savant Arrangements (Details) - USD ($) $ / shares in Units, $ in Thousands	1 Months Ended	6 Months Ended
	Jun. 30, 2016	Jun. 30, 2020	Dec. 31, 2019	Jun. 30, 2019	Jun. 30, 2017
Aggregate cost overages				$ 4,100	$ 3,400
Net of duductible					500
Due to Savant		$ 2,000	$ 2,000	$ 2,100	2,000
Savant Neglected Diseases, LLC [Member]
Number of shares called by warrant	200,000	100,000
Exercise price of warrant	$ 2.25	$ 2.25
Exercise period of warrant	5 years
Due from Savant					$ 1,400
Common stock pursuant to net exercise		54,545