Quarterly report pursuant to Section 13 or 15(d)

Stockholders' Equity (Details Textual)

v3.19.1
Stockholders' Equity (Details Textual) - USD ($)
 3 Months Ended
Mar. 31, 2019
Mar. 31, 2018
Dec. 31, 2018
Stockholders' Equity (Textual)      
Common stock, shares authorized 75,000,000   75,000,000
Common stock, par value $ 0.001   $ 0.001
Preferred stock, shares authorized 5,000,000   5,000,000
Preferred stock, par value $ 0.001   $ 0.001
Recognized options and warrants vest over period 4 years    
Total net proceeds of private offering $ 2,142,500  
Cash proceeds of exercised, stock options $ 151,601 $ 146,438  
Warrant [Member]      
Stockholders' Equity (Textual)      
Warrants issued with promissory notes    
Warrants exercised 50,000    
Cash proceeds from warrants $ 57,500    
Number of warrants expired 6,982    
2011 Plan [Member]      
Stockholders' Equity (Textual)      
Remaining options to be issued 3,575,852    
Stock Option [Member]      
Stockholders' Equity (Textual)      
Stock options granted 200,000    
Options exercised 94,530    
Number of options cancelled    
Cash proceeds of exercised, stock options $ 151,601    
Board Member [Member] | Stock Option [Member]      
Stockholders' Equity (Textual)      
Stock options granted 200,000    
Common stock, per share $ 3.15    
Stock option aggregate grant fair value $ 439,260    
Stock options, description The stock option has a term of ten years and shares subject to the option will vest over a four-year period.