Revenue Recognition - Disaggregation of Revenue (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2016
Disaggregation of Revenue [Line Items]
Total revenues	$ 60,594	$ 50,024	$ 48,837
Americas
Disaggregation of Revenue [Line Items]
Total revenues	15,370	15,575
EMEA
Disaggregation of Revenue [Line Items]
Total revenues	22,361	19,610
APAC
Disaggregation of Revenue [Line Items]
Total revenues	22,863	14,839
Product Sales
Disaggregation of Revenue [Line Items]
Total revenues	25,590	26,685	$ 15,321
Research and Development Revenues
Disaggregation of Revenue [Line Items]
Total revenues	35,004	23,339
Performance Enzymes
Disaggregation of Revenue [Line Items]
Total revenues	47,073	42,333
Performance Enzymes | Americas
Disaggregation of Revenue [Line Items]
Total revenues	15,332	15,575
Performance Enzymes | EMEA
Disaggregation of Revenue [Line Items]
Total revenues	8,878	11,919
Performance Enzymes | APAC
Disaggregation of Revenue [Line Items]
Total revenues	22,863	14,839
Novel Biotherapeutics
Disaggregation of Revenue [Line Items]
Total revenues	13,521	7,691
Novel Biotherapeutics | Americas
Disaggregation of Revenue [Line Items]
Total revenues	38	0
Novel Biotherapeutics | EMEA
Disaggregation of Revenue [Line Items]
Total revenues	13,483	7,691
Novel Biotherapeutics | APAC
Disaggregation of Revenue [Line Items]
Total revenues	$ 0	$ 0