Quarterly report pursuant to Section 13 or 15(d)

Common Stock (Details Narrative)

v3.19.3
Common Stock (Details Narrative) - USD ($)
1 Months Ended
Jun. 14, 2019
May 03, 2019
Mar. 08, 2019
Sep. 07, 2018
Sep. 30, 2019
Jul. 24, 2019
Feb. 26, 2019
Dec. 31, 2018
Common stock, shares authorized       100,000,000   100,000,000
Common stock, shares issued         41,092,340     35,335,378
Common stock, shares outstanding         41,092,340     35,335,378
Common stock, par value         $ 0.001     $ 0.001
Warrants [Member]                
Warrants exercised         6,166 1,609,195 754,475  
Exercise price         $ 2.35 $ 3.00 $ 2.20  
Proceeds from warrants exercised         $ 2,487 $ 4,800,000 $ 1,660,000  
Cotterford [Member] | Warrants [Member]                
Warrants exercised   1,666,667 1,724,138        
Exercise price   $ 3.00 $ 2.90          
Proceeds from warrants exercised   $ 5,000,000 $ 5,000,000          
Cotterford [Member] | Warrant [Member]                
Warrants exercised              
Common Stock [Member] | Oppenheimer & Co Inc. [Member]                
Description of aggregate offering price       Aggregate offering price of up to $10.0 million from time to time pursuant to a shelf registration statement        
Stock Incentive Plan [Member] | Common Stock [Member]                
Description of aggregate shares Amendment to the 2015 Stock Incentive Plan (the “2015 Plan”) was approved by the stockholders at the annual meeting to increase the number of shares of common stock available for issuance under the 2015 Plan by 1,000,000 shares to an aggregate maximum of 4,250,000 shares.