Consolidated Statements Of Redeemable Preferred Stock And Shareholders' Equity (Parenthetical) - USD ($) $ in Millions	3 Months Ended	9 Months Ended
Sep. 30, 2020	Sep. 30, 2020
Series F Convertible Preferred Stock
Convertible preferred stock in right offering, issuance cost	$ 0.3	$ 0.3

Convertible preferred stock and warrants issuance cost.

No definition available.

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Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration