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Commitments and contingencies	12 Months Ended
Commitments and contingencies	Dec. 31, 2020
Commitments and Contingencies Disclosure [Abstract]
Commitments and contingencies	Commitments and contingencies In December 2020, the Company entered into a non-cancelable contract to purchase laboratory equipment for $0.8 million. The equipment is expected to be delivered in the first half of 2021. In the ordinary course of business, the Company may be subject from time to time to various proceedings, lawsuits, disputes, or claims. Although the Company cannot predict with assurance the outcome of any litigation, it does not believe there are currently any such actions that, if resolved unfavorable, would have a material impact on the Company’s financial condition, results of operations or cash flows.