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

Debt - Term loan and line of credit (Q1) (Details)

v3.21.1
Debt - Term loan and line of credit (Q1) (Details)
 3 Months Ended 12 Months Ended
Jan. 06, 2021
USD ($)
Oct. 29, 2020
USD ($)
Oct. 05, 2020
USD ($)
Jul. 16, 2020
USD ($)
Mar. 31, 2021
USD ($)
$ / shares
Mar. 31, 2020
USD ($)
Dec. 31, 2020
USD ($)
Dec. 31, 2019
USD ($)
Dec. 19, 2019
USD ($)
Debt Instruments [Abstract]                  
Repayment of line of credit             $ 6,360,000 $ 10,800,000  
Loss on extinguishment of debt         $ 394,000 $ 0 88,000 0  
Debt issuance costs incurred         116,000 $ 0 85,000 720,000  
Long term debt         31,089,000   32,611,000    
Short-term debt                  
Debt Instruments [Abstract]                  
Maximum borrowing capacity                 $ 20,500,000
Repayments of debt   $ 1,000,000 $ 11,000,000            
Revolving Credit Agreement                  
Debt Instruments [Abstract]                  
Maximum borrowing capacity                 $ 7,500,000
Line of credit, net                  
Debt Instruments [Abstract]                  
Loss on extinguishment of debt         (400,000)        
Long term debt             5,000,000    
Debt issuance costs and discounts             200,000 200,000  
Line of credit, net | Old Plank Trail Community Bank, N.A.                  
Debt Instruments [Abstract]                  
Maximum borrowing capacity $ 6,000,000.0                
Debt issuance costs incurred         $ 100,000        
Floor interest rate         2.50%        
Fixed Charge Coverage Ratio 1.25                
Shareholder Guaranties                  
Debt Instruments [Abstract]                  
Guaranty obligations             20,000,000    
Term Loan | Old Plank Trail Community Bank, N.A.                  
Debt Instruments [Abstract]                  
Maximum borrowing capacity $ 6,000,000.0                
Term loan, net                  
Debt Instruments [Abstract]                  
Debt issuance costs and discounts             $ 200,000 4,400,000  
Line of credit, net                  
Debt Instruments [Abstract]                  
Basis spread on variable interest rate         2.50%        
Floor interest rate         2.50%   3.25%    
Long term debt         $ 4,781,000   $ 5,023,000 $ 4,819,000  
Shareholder Guaranties                  
Debt Instruments [Abstract]                  
Guaranty obligations         $ 20,000,000        
Warrants per share (in dollars per share) | $ / shares         $ 0.325        
Facilities Agreement                  
Debt Instruments [Abstract]                  
Repayment of line of credit       $ 5,100,000          
Facilities Agreement | Term loan, net                  
Debt Instruments [Abstract]                  
Long term debt         $ 5,800,000   7,800,000    
Debt issuance costs and discounts         100,000   200,000    
Facilities Agreement | Line of credit, net                  
Debt Instruments [Abstract]                  
Loss on extinguishment of debt       100,000          
Long term debt         $ 4,800,000   5,000,000    
Debt issuance costs and discounts             $ 200,000    
ABL Facility | Line of credit, net                  
Debt Instruments [Abstract]                  
Maximum borrowing capacity       7,500,000          
Debt issuance costs incurred       $ 100,000          
Floor interest rate         3.25%   3.25%    
LIBOR | Line of credit, net | Old Plank Trail Community Bank, N.A.                  
Debt Instruments [Abstract]                  
Basis spread on variable interest rate         2.50%        
LIBOR | Line of credit, net                  
Debt Instruments [Abstract]                  
Basis spread on variable interest rate             2.50%    
LIBOR | ABL Facility | Line of credit, net                  
Debt Instruments [Abstract]                  
Basis spread on variable interest rate         2.50%   2.50%