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Private Placements and Public Offering (Details) - USD ($)
1 Months Ended
Jan. 31, 2021
Jan. 25, 2021
Mar. 28, 2019
2019 Warrants      
Class of Stock [Line Items]      
Number of additional shares from warrants (in shares)     2,500,000
Initial exercise price of warrants (in dollars per share)     $ 7.00
Canaccord Genuity LLC | ATM Offering      
Class of Stock [Line Items]      
Equity Distribution Agreement, maximum aggregate amount authorized for offer or sale   $ 40,000,000  
Number of shares issued (in shares) 1,516,073    
Purchase price (in dollars per share) $ 20.11    
Proceeds from sale of stock $ 29,400,000