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Acquisition - Narrative (Details) - Microchips Biotech, Inc. - USD ($) $ / shares in Units, $ in Thousands	Nov. 30, 2019	Nov. 20, 2019
Business Combination Reverse Merger [Line Items]
Business acquisition transaction value	$ 2,400
Business combination shares issued (in usd per share)	$ 0.79
Cash and cash equivalents	$ 6,100
Contingent consideration, liability	3,500
Current portion of contingent consideration	1,000	$ 1,000
Research and Development Expense
Business Combination Reverse Merger [Line Items]
Business acquisition transaction value	$ 202
Common stock
Business Combination Reverse Merger [Line Items]
Common stock issued to microchips capital stock holders (in shares)	2,999,990

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