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

Property and equipment (FY) (Details)

v3.21.1
Property and equipment (FY) (Details) - USD ($)
$ in Thousands
 12 Months Ended
Dec. 31, 2020
Dec. 31, 2019
Mar. 31, 2021
Property, Plant and Equipment [Line Items]      
Total property and equipment $ 499 $ 479  
Accumulated depreciation (247) (62)  
Net property and equipment 252 417 $ 205
Depreciation expense 200 100  
Equipment      
Property, Plant and Equipment [Line Items]      
Total property and equipment $ 234 222  
Equipment | Minimum      
Property, Plant and Equipment [Line Items]      
Estimated useful life 3 years    
Equipment | Maximum      
Property, Plant and Equipment [Line Items]      
Estimated useful life 7 years    
Furniture and fixtures      
Property, Plant and Equipment [Line Items]      
Total property and equipment $ 150 138  
Furniture and fixtures | Minimum      
Property, Plant and Equipment [Line Items]      
Estimated useful life 5 years    
Furniture and fixtures | Maximum      
Property, Plant and Equipment [Line Items]      
Estimated useful life 7 years    
Computer software      
Property, Plant and Equipment [Line Items]      
Estimated useful life 3 years    
Total property and equipment $ 111 115  
Computer equipment      
Property, Plant and Equipment [Line Items]      
Total property and equipment $ 4 $ 4  
Computer equipment | Minimum      
Property, Plant and Equipment [Line Items]      
Estimated useful life 2 years    
Computer equipment | Maximum      
Property, Plant and Equipment [Line Items]      
Estimated useful life 3 years