Quarterly report pursuant to Section 13 or 15(d)

Subsequent Events (Details)

v3.19.3
Subsequent Events (Details) - USD ($)
1 Months Ended 2 Months Ended 3 Months Ended 6 Months Ended
Sep. 17, 2019
Sep. 09, 2019
Aug. 30, 2019
Aug. 28, 2019
Aug. 14, 2019
Jul. 29, 2019
Jun. 28, 2019
Sep. 30, 2019
May 05, 2019
Jun. 30, 2019
Mar. 31, 2019
Jun. 30, 2019
Dec. 31, 2018
Jun. 30, 2018
Subsequent Events (Additional Information) [Abstract]                            
Shares granted (in shares)                   93,000        
Exercise price (in dollars per share)                   $ 7.50        
Number of common shares issued for services                 $ 2,227,006 $ 600,000 $ 206,166   $ 430,811  
Vesting period                       3 years    
Proceeds from private issuance of public equity                       $ 15,676,000   $ 0
Warrant [Member]                            
Subsequent Events (Additional Information) [Abstract]                            
Warrants, exercise price (in dollars per share)                   $ 3.90   $ 3.90    
Common Stock [Member]                            
Subsequent Events (Additional Information) [Abstract]                            
Number of common shares issued for services (in shares)                 1,099,822 100,000 18,964   164,357  
Number of common shares issued for services                 $ 1,100 $ 100 $ 19   $ 164  
Chief Financial Officer [Member] | Stock Options [Member]                            
Subsequent Events (Additional Information) [Abstract]                            
Shares granted (in shares)             500,000              
Exercise price (in dollars per share)             $ 6.35              
Vesting period             2 years              
Subsequent Event [Member]                            
Subsequent Events (Additional Information) [Abstract]                            
Proceeds from private issuance of public equity               $ 4,000,000            
Subsequent Event [Member] | Tranche One [Member]                            
Subsequent Events (Additional Information) [Abstract]                            
Vesting percentage of warrants 50.00%                          
Number of warrants vested (in shares) 1,250,000                          
Subsequent Event [Member] | Tranche Two [Member]                            
Subsequent Events (Additional Information) [Abstract]                            
Vesting percentage of warrants 50.00%                          
Number of warrants vested (in shares) 1,250,000                          
Subsequent Event [Member] | Warrant [Member]                            
Subsequent Events (Additional Information) [Abstract]                            
Conversion of stock, shares converted (in shares)               1,144,999            
Subsequent Event [Member] | Common Stock [Member]                            
Subsequent Events (Additional Information) [Abstract]                            
Conversion of Stock, Shares Issued (in shares)               1,259,498            
Subsequent Event [Member] | iHeartMedia [Member]                            
Subsequent Events (Additional Information) [Abstract]                            
Number of common shares issued for services (in shares)       1,000,000                    
Number of common shares issued for services       $ 5,000,000                    
Advertising media inventory committed for use in 2020       $ 2,500,000                    
Subsequent Event [Member] | Chief Financial Officer [Member]                            
Subsequent Events (Additional Information) [Abstract]                            
Number of common shares issued for services (in shares)           6,042                
Subsequent Event [Member] | Chief Financial Officer [Member] | Stock Options [Member]                            
Subsequent Events (Additional Information) [Abstract]                            
Shares granted (in shares)     100,000                      
Exercise price (in dollars per share)     $ 3.90                      
Vesting period     2 years                      
Subsequent Event [Member] | Employee [Member] | Stock Options [Member]                            
Subsequent Events (Additional Information) [Abstract]                            
Shares granted (in shares)   30,000     30,000                  
Exercise price (in dollars per share)   $ 3.70     $ 4.00                  
Vesting period   3 years     3 years                  
Subsequent Event [Member] | Special Adviser [Member]                            
Subsequent Events (Additional Information) [Abstract]                            
Consulting agreement period 5 years                          
Subsequent Event [Member] | Special Adviser [Member] | Tranche One [Member]                            
Subsequent Events (Additional Information) [Abstract]                            
Number of warrants issued (in shares) 2,500,000                          
Warrants, exercise price (in dollars per share) $ 0.10                          
Subsequent Event [Member] | Special Adviser [Member] | Tranche Two [Member]                            
Subsequent Events (Additional Information) [Abstract]                            
Number of warrants issued (in shares) 1,500,000                          
Warrants, exercise price (in dollars per share) $ 10.00