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Commitments and contingencies	9 Months Ended
Commitments and contingencies	Sep. 30, 2021
Commitments and Contingencies Disclosure [Abstract]
Commitments and contingencies	Commitments and contingencies Contingencies The Company has been engaged in discussions with an entity regarding the entity’s patented technology and allegations regarding the Company’s infringement of that technology. While no legal proceedings have been initiated, the Company accrued $4.2 million to general and administrative expenses during the nine months ended September 30, 2021 based on its most recent discussions with the entity. It is reasonably possible the estimated loss will change. The exposure to loss in excess of the amount accrued as of September 30, 2021 is estimated to be up to $2.3 million. From time to time, the Company may be subject to various claims, charges and litigation. The Company records a liability when it is both probable that a liability has been incurred and the amount of the loss can be reasonably estimated. The Company maintains insurance to cover certain actions and believes that resolution of such claims, charges, or litigation will not have a material impact on the Company’s financial position, results of operations, or liquidity. The Company had no liabilities for contingencies recorded as of December 31, 2020.