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

Nature of Business and Significant Accounting Policies (FY) (Details)

v3.19.3
Nature of Business and Significant Accounting Policies (FY) (Details)
 3 Months Ended 4 Months Ended 12 Months Ended
Mar. 11, 2019
Mar. 02, 2018
USD ($)
Dec. 22, 2017
Dec. 21, 2017
Jun. 30, 2019
USD ($)
shares
Dec. 31, 2018
USD ($)
shares
Dec. 22, 2017
Aug. 31, 2018
USD ($)
shares
Aug. 31, 2017
shares
Apr. 22, 2019
shares
Dec. 31, 2017
shares
Nature of Business and Significant Accounting Policies [Line Items]                      
BTC Value | $   $ 5,000,000                  
Common Stock, Conversion Basis each outstanding share of common stock of Sport Endurance, Inc. converted into one share of common stock of Better Choice Company Inc. and each outstanding share of Series E Convertible Preferred Stock (the “Series E”) of Sport Endurance, Inc. converted into one share of Series E Convertible Preferred Stock of Better Choice Company Inc                    
Common Stock, Shares Authorized         88,000,000 580,000,000   580,000,000 580,000,000 88,000,000  
Preferred Stock, Shares Authorized           20,000,000       4,000,000 20,000,000
Cash, FDIC Insured Amount | $           $ 250,000          
Cash, Uninsured Amount | $         $ 10,300,000 $ 3,400,000   $ 0      
Effective Income Tax Rate Reconciliation, at Federal Statutory Income Tax Rate, Percent     21.00% 35.00% 21.00%   35.00% 21.00% 34.00%    
Previously Reported [Member]                      
Nature of Business and Significant Accounting Policies [Line Items]                      
Common Stock, Shares Authorized           580,000,000          
Preferred Stock, Shares Authorized           20,000,000          
Cash, Uninsured Amount | $           $ 95,412          
Ultra Peak T [Member]                      
Nature of Business and Significant Accounting Policies [Line Items]                      
Inventory, Number of Containers           2,432   2,432