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Summary of Significant Accounting Policies - Disaggregation of Revenue (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2021	Jun. 30, 2020	Jun. 30, 2021	Jun. 30, 2020
Disaggregation of Revenue [Line Items]
Revenue	$ 12,772	$ 8,948	$ 23,359	$ 18,532
Healthcare insurers
Disaggregation of Revenue [Line Items]
Revenue	7,381	4,138	13,408	10,200
Government
Disaggregation of Revenue [Line Items]
Revenue	2,394	1,807	4,403	4,052
Client
Disaggregation of Revenue [Line Items]
Revenue	2,427	746	4,392	1,828
Other
Disaggregation of Revenue [Line Items]
Revenue	270	206	556	401
Janssen (SIMPONI)
Disaggregation of Revenue [Line Items]
Revenue	$ 300	$ 2,051	$ 600	$ 2,051

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+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
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