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

Debt - Notes payable (FY) (Details)

v3.21.1
Debt - Notes payable (FY) (Details) - USD ($)
Jun. 24, 2020
Jan. 06, 2020
Mar. 31, 2021
Dec. 31, 2020
Jan. 13, 2020
Dec. 31, 2019
Dec. 19, 2019
Nov. 04, 2019
Debt Instruments [Abstract]                
Debt outstanding     $ 31,089,000 $ 32,611,000        
November 2019 Notes                
Debt Instruments [Abstract]                
Default interest rate   12.00%            
November 2019 Notes                
Debt Instruments [Abstract]                
Debt face amount               $ 2,800,000
Interest rate per annum     10.00% 10.00%   10.00%   10.00%
Conversion price (in dollars per share) $ 3.75             $ 4.00
Increase in fair value, adjustment to paid in capital $ 300,000              
Debt outstanding     $ 2,927,000 $ 2,830,000   $ 2,769,000    
Debt issuance costs and discounts     $ 200,000 $ 300,000   $ 100,000    
Seller Notes                
Debt Instruments [Abstract]                
Interest rate per annum             10.00%  
Conversion price (in dollars per share) $ 3.75           $ 4.00  
Increase in fair value, adjustment to paid in capital $ 300,000              
Senior Seller Notes                
Debt Instruments [Abstract]                
Debt face amount             $ 10,000,000.0  
Interest rate per annum     10.00% 10.00%   10.00%    
Debt outstanding     $ 10,679,000 $ 10,332,000   $ 9,191,000    
Debt issuance costs and discounts     $ 700,000 $ 800,000   $ 900,000    
Junior Seller Notes                
Debt Instruments [Abstract]                
Debt face amount             $ 5,000,000.0  
Interest rate per annum     10.00% 10.00%   10.00%    
Debt outstanding     $ 5,153,000 $ 4,973,000   $ 4,410,000    
Debt issuance costs and discounts     $ 500,000 $ 500,000   500,000    
ABG Notes                
Debt Instruments [Abstract]                
Debt face amount         $ 600,000      
Interest rate per annum     10.00% 10.00% 10.00%      
Conversion price (in dollars per share) $ 3.75       $ 4.00      
Increase in fair value, adjustment to paid in capital $ 100,000              
Debt outstanding     $ 702,000 $ 687,000   0    
Debt issuance costs and discounts     $ 100,000 $ 100,000        
June 2020 Notes                
Debt Instruments [Abstract]                
Debt face amount $ 1,500,000              
Interest rate per annum 10.00%   10.00% 10.00%        
Conversion price (in dollars per share) $ 0.75              
Debt outstanding     $ 148,000 $ 88,000   $ 0    
Debt issuance costs and discounts     $ 1,500,000 $ 1,500,000