Revenue Recognition - Changes in Balance of Deferred Revenues (Details) $ in Thousands	12 Months Ended
	Dec. 31, 2018 USD ($)
Balance	$ 1,420
Increase in deferred revenues	43,481
Revenue recognized during the period from performance obligations included in deferred revenues at the beginning of the period	(712)
Revenue recognized from performance obligations that were	10,200
Balance	44,189
Genetic testing services and provision of IVD kits
Revenue recognized during the period from performance obligations included in deferred revenues at the beginning of the period	600
Processing and storage services | Evercord
Revenue recognized during the period from performance obligations included in deferred revenues at the beginning of the period	$ 100