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

Warrant Derivative Liability, Private Placement (Q2) (Details)

v3.19.3
Warrant Derivative Liability, Private Placement (Q2) (Details) - USD ($)
 1 Months Ended 4 Months Ended 6 Months Ended
May 06, 2019
Jan. 08, 2019
Dec. 12, 2018
Oct. 18, 2018
Dec. 31, 2018
Dec. 31, 2018
Jun. 30, 2019
Jun. 30, 2018
Nov. 30, 2018
Private Placement Offering [Abstract]                  
Units issued in private placement offering (in shares)     1,425,641            
Unit price (in dollars per share)     $ 1.95   $ 11.18 $ 11.18      
Gross proceeds from private placement offering     $ 2,800,000       $ 150,000 $ 0  
Share issuance costs     122,741            
Net proceeds from private placement offering     $ 2,700,000            
Shares issued in private placement offering (in shares)   25,641 1,400,000 2,846,356   1,400,000      
Warrants, exercisable period     2 years            
Warrant exercise price (in dollars per share)     $ 3.90   $ 3.90 $ 3.90      
Common Stock [Member]                  
Private Placement Offering [Abstract]                  
Number of shares in contained in one unit (in shares)     1           1
Net proceeds from private placement offering   $ 100,000     $ 2,600,000        
Shares issued in private placement offering (in shares) 5,744,991 25,641     1,400,000 1,400,000      
Warrants settleable in shares, number of shares (in shares)             712,823    
Warrant [Member]                  
Private Placement Offering [Abstract]                  
Number of shares in contained in one unit (in shares)     0.5           0.5
Warrants, exercisable period             2 years    
Warrant exercise price (in dollars per share)             $ 3.90