Revenue Recognition and Contractual Adjustments - Contract Assets and Liabilities (Details) - USD ($) $ in Thousands	Jun. 30, 2020	Dec. 31, 2019
Contract with Customer, Asset, Net [Abstract]
Current pharma contract assets	$ 1,255	$ 1,000
Long-term pharma contract assets	221	153
Total pharma contract assets	1,476	1,153
Capitalized Contract Cost [Abstract]
Current pharma capitalized commissions	183	133
Long-term pharma capitalized commissions	820	798
Total pharma capitalized commissions	1,003	931
Contract with Customer, Liability [Abstract]
Current pharma contract liabilities	3,570	1,610
Long-term pharma contract liabilities	631	1,171
Total pharma contract liabilities	$ 4,201	$ 2,781