Revenue Recognition and Contractual Adjustments - Contract Assets and Liabilities (Details) - USD ($) $ in Thousands	Mar. 31, 2020	Dec. 31, 2019
Contract with Customer, Asset, Net [Abstract]
Current pharma contract assets	$ 1,127	$ 1,000
Long-term pharma contract assets	199	153
Total pharma contract assets	1,326	1,153
Capitalized Contract Cost [Abstract]
Current pharma capitalized commissions	141	133
Long-term pharma capitalized commissions	761	798
Total pharma capitalized commissions	902	931
Contract with Customer, Liability [Abstract]
Current pharma contract liabilities	2,974	1,610
Long-term pharma contract liabilities	526	1,171
Total pharma contract liabilities	$ 3,500	$ 2,781