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Basis of Presentation and Summary of Significant Accounting Policies - Rollforward (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2020	Sep. 30, 2019	Sep. 30, 2020	Sep. 30, 2019
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Roll Forward]
Balance January 1, 2020			$ 0
Issuance of warrants, January 2020			1,636
Settlements from exercise			(982)
(Gain) loss from change in fair value of warrants	$ (153)	$ 0	2,274	$ 0
Balance September 30, 2020	$ 2,928		$ 2,928

X

- Definition

Amount of expense (income) related to adjustment to fair value of warrant liability.

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A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period.

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Amount of issuances of financial instrument classified as a liability measured using unobservable inputs that reflect the entity's own assumption about the assumptions market participants would use in pricing.

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Amount of settlements of financial instrument classified as a liability measured using unobservable inputs that reflect the entity's own assumption about the assumptions market participants would use in pricing.

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Amount of the liabilities, classified as other, for deferred compensation arrangements payable within one year or the operating cycle, if longer.

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