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General (Details Narrative) - USD ($)
3 Months Ended 6 Months Ended
Jun. 30, 2019
Jun. 30, 2018
Jun. 30, 2019
Jun. 30, 2018
Mar. 31, 2019
Dec. 31, 2018
Mar. 31, 2018
Dec. 31, 2017
Accumulated deficit $ 89,107,293   $ 89,107,293     $ 87,186,783    
Stockholder's deficit $ 15,351 $ (16,984,761) 15,351 $ (16,984,761) $ (2,686,348) $ (2,873,301) $ (16,286,538) $ (16,574,933)
Proceeds from issuance of common stock, net of issuance expenses     $ 4,165,079 1,318,350        
Common stock par value $ 0.001   $ 0.001     $ 0.001    
Common Stock [Member]                
Stockholder's deficit $ 161,955 $ 8,009 $ 161,955 $ 8,009 $ 146,447 $ 141,638 $ 7,532 $ 6,824
Number of common stock issued 15,389,925 186,000 18,889,618 621,556        
Common stock par value $ 0.001   $ 0.001          
Series D Units [Member] | Exercise Price Three [Member]                
Warrant term 5 years   5 years          
Warrants to purchase common stock 1,083,004   1,083,004          
Warrant exercise price $ 5.40   $ 5.40          
Series D Units [Member]                
Proceeds from issuance of common stock, net of issuance expenses     $ 4,198,574          
Number of common stock issued     1,083,004          
Series D Units [Member] | Exercise Price One [Member]                
Warrant term 5 years   5 years          
Warrants to purchase common stock 1,083,004   1,083,004          
Warrant exercise price $ 1.80   $ 1.80          
Series D Units [Member] | Exercise Price Two [Member]                
Warrant term 5 years   5 years          
Warrants to purchase common stock 1,083,004   1,083,004          
Warrant exercise price $ 3.60   $ 3.60