Registration of securities issued in business combination transactions

INCOME TAX - Additional information (FY) (Details)

v3.21.4
INCOME TAX - Additional information (FY) (Details) - USD ($)
Dec. 31, 2020
Dec. 31, 2019
US Federal    
Operating Loss Carryforwards [Line Items]    
Operating Loss Carryforwards $ 1,461,863  
State    
Operating Loss Carryforwards [Line Items]    
Operating Loss Carryforwards   $ 1,000