Annual report pursuant to Section 13 and 15(d)

Subsequent Events - Funding Agreement (Details)

v3.20.1
Subsequent Events - Funding Agreement (Details) - USD ($)
Mar. 22, 2020
Feb. 28, 2020
Jan. 23, 2020
Dec. 31, 2019
Apr. 18, 2019
Dec. 31, 2018
Jun. 15, 2018
Nov. 30, 2017
Jan. 31, 2017
Subsequent Event [Line Items]                  
Principal amount of debt               $ 6,500,000  
Common stock par value       $ 0.0001   $ 0.0001      
Warrants to purchase shares of common stock       3,222 255,102   208,350    
Exercise price of warrants       $ 5.40         $ 5.40
Subsequent Event [Member] | Convertible Debt [Member] | Funding Agreement [Member]                  
Subsequent Event [Line Items]                  
Convertible debt     $ 100,000            
Principal amount of debt     $ 111,100            
Percentage of original issue discount     10.00%            
Period of execution of funding agreement     45 days            
Conversion price     $ 0.35            
Period to exercise right by investor     90 days            
Issuance of common stock, net of issuance costs (in shares)     10,000            
Term of warrant exercisable     5 years            
Warrants to purchase shares of common stock     158,714            
Exercise price of warrants     $ 0.49            
Private Placement [Member] | Subsequent Event [Member]                  
Subsequent Event [Line Items]                  
Proceeds from Issuance of Private Placement $ 1,700,000 $ 835,000              
Warrants to purchase shares of common stock   906,390              
Exercise price of warrants   $ 0.49              
Private Placement [Member] | Subsequent Event [Member] | Convertible Debt [Member]                  
Subsequent Event [Line Items]                  
Principal amount of debt $ 2,040,000                
Investor [Member] | Private Placement [Member] | Subsequent Event [Member]                  
Subsequent Event [Line Items]                  
Common stock par value $ 0.0001                
Commitment Fee Payable To Investor $ 85,000                
Investor [Member] | Warrant [Member] | Private Placement [Member] | Subsequent Event [Member]                  
Subsequent Event [Line Items]                  
Warrants to purchase shares of common stock 4,553,571