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Company Overview and Equity Transactions (Details)
$ in Thousands
1 Months Ended 4 Months Ended 12 Months Ended
Dec. 17, 2019
USD ($)
shares
Dec. 31, 2020
USD ($)
Product
shares
Dec. 31, 2019
shares
Dec. 31, 2020
USD ($)
Product
Dec. 31, 2019
USD ($)
shares
Sep. 11, 2019
USD ($)
Company Overview [Abstract]            
Number of internally-developed proprietary products | Product   1   1    
Equity Transactions [Abstract]            
Net proceeds from initial public offering       $ 6,215 $ 39,317  
At-the-Market Offering [Member]            
Equity Transactions [Abstract]            
Number of common shares issued (in shares) | shares   930,993 0      
Proceeds from issuance of common stock   $ 6,055        
Transcation costs   $ 473        
At-the-Market Offering [Member] | Maximum [Member]            
Equity Transactions [Abstract]            
Aggregate offering price           $ 25,000
Public Offering [Member]            
Equity Transactions [Abstract]            
Number of common shares issued (in shares) | shares 8,050,000       8,050,000  
Transcation costs $ 540          
Net proceeds from initial public offering 37,835       $ 37,295  
Underwriting discounts $ 2,415