General form of registration statement for all companies including face-amount certificate companies

Line of credit, short term loan and notes payable, Notes Payable (FY) (Details)

v3.20.4
Line of credit, short term loan and notes payable, Notes Payable (FY) (Details) - USD ($)
3 Months Ended 9 Months Ended 12 Months Ended
Dec. 19, 2019
Sep. 30, 2020
Sep. 30, 2019
Sep. 30, 2020
Sep. 30, 2019
Dec. 31, 2019
Dec. 31, 2018
Jun. 24, 2020
Jun. 23, 2020
Nov. 04, 2019
Debt Instruments [Abstract]                    
Debt amount, net of debt discounts           $ 37,250,000 $ 6,200,000      
Interest expense   $ 2,600,000 $ 100,000 $ 7,300,000 $ 100,000 $ 670,000 868,000      
November 2019 Notes Payable, Net (November 2019 Notes) [Member]                    
Debt Instruments [Abstract]                    
Face amount                   $ 2,800,000
Long-term debt, interest rate   10.00%   10.00%   10.00%       10.00%
Maturity date           Nov. 04, 2021        
Conversion price (in dollars per share)               $ 3.75 $ 4.00 $ 4.00
Debt amount, net of debt discounts   $ 2,736,000   $ 2,736,000   $ 2,769,000        
Debt discounts   300,000   300,000   100,000        
Fair value of debt   300,000   300,000   2,800,000        
November 2019 Notes Payable, Net (November 2019 Notes) [Member] | Maximum [Member]                    
Debt Instruments [Abstract]                    
Fair value of incremental warrants issued                   $ 100,000
Debt amount, net of debt discounts           2,800,000        
Debt discounts           $ 100,000        
Seller Notes [Member]                    
Debt Instruments [Abstract]                    
Long-term debt, interest rate 10.00%                  
Maturity date Jun. 30, 2023                  
Conversion price (in dollars per share) $ 4.00             $ 3.75 $ 4.00  
Fair value of debt   $ 300,000   $ 300,000            
Senior Seller Notes [Member]                    
Debt Instruments [Abstract]                    
Face amount $ 10,000,000                  
Long-term debt, interest rate   10.00%   10.00%   10.00%        
Maturity date           Jun. 30, 2023        
Debt amount, net of debt discounts   $ 9,993,000   $ 9,993,000   $ 9,191,000 $ 0      
Debt discounts   $ 900,000   $ 900,000   900,000        
Fair value of debt           $ 9,200,000        
Junior Seller Notes [Member]                    
Debt Instruments [Abstract]                    
Face amount $ 5,000,000                  
Long-term debt, interest rate   10.00%   10.00%   10.00%        
Maturity date           Jun. 30, 2023        
Debt amount, net of debt discounts   $ 4,797,000   $ 4,797,000   $ 4,410,000        
Debt discounts   $ 600,000   $ 600,000   500,000        
Fair value of debt           $ 4,400,000