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Consolidated Balance Sheets (Parenthetical) - USD ($)
$ in Millions
Dec. 31, 2020
Dec. 31, 2019
Statement of Financial Position [Abstract]    
Accounts Receivable, Allowance for Credit Loss, Current $ (1.6) $ (1.5)
Preferred Stock, Par or Stated Value Per Share $ 0.0001  
Preferred Stock, Shares Authorized 5,000,000  
Preferred Stock, Shares Issued 0  
Common Stock, Par or Stated Value Per Share $ 0.0001  
Common stock, authorized (in shares) 100,000,000  
Common stock, shares issued (in shares) 16,573,246 16,515,813