Segment, Geographical and Other Revenue Information - Goodwill (Details) - USD ($) $ in Thousands	Mar. 31, 2020	Dec. 31, 2019
Segment Reporting Information [Line Items]
Goodwill	$ 3,241	$ 3,241
Performance Enzymes [Member]
Segment Reporting Information [Line Items]
Goodwill	2,400
Novel Biotherapeutics [Member]
Segment Reporting Information [Line Items]
Goodwill	800
Operating Segments [Member]
Segment Reporting Information [Line Items]
Goodwill	3,241	3,241
Operating Segments [Member] | Performance Enzymes [Member]
Segment Reporting Information [Line Items]
Goodwill	2,463	2,463
Operating Segments [Member] | Novel Biotherapeutics [Member]
Segment Reporting Information [Line Items]
Goodwill	$ 778	$ 778