Revenue - Disaggregation (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2020	Mar. 31, 2019
Disaggregation of revenue
Total revenue	$ 72,827	$ 60,959
Product
Disaggregation of revenue
Total revenue	37,087	30,982
Service
Disaggregation of revenue
Total revenue	35,740	29,977
PACE solutions
Disaggregation of revenue
Total revenue	11,571	11,174
Medication safety services
Disaggregation of revenue
Total revenue	14,320	15,351
Software subscription
Disaggregation of revenue
Total revenue	9,849	3,452
MedWise HealthCare
Disaggregation of revenue
Total revenue	24,169	18,803
MedWise HealthCare | Service
Disaggregation of revenue
Total revenue	24,169	18,803
MedWise HealthCare | Medication safety services
Disaggregation of revenue
Total revenue	14,320	15,351
MedWise HealthCare | Software subscription
Disaggregation of revenue
Total revenue	9,849	3,452
CareVention HealthCare
Disaggregation of revenue
Total revenue	48,658	42,156
CareVention HealthCare | Product
Disaggregation of revenue
Total revenue	37,087	30,982
CareVention HealthCare | PACE product revenue
Disaggregation of revenue
Total revenue	37,087	30,982
CareVention HealthCare | Service
Disaggregation of revenue
Total revenue	11,571	11,174
CareVention HealthCare | PACE solutions
Disaggregation of revenue
Total revenue	$ 11,571	$ 11,174