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Share-based Compensation (Tables)
6 Months Ended
Jun. 30, 2019
Share-based Compensation [Abstract]  
Schedule of stock-based compensation expense included in statement of operations


Three Months Ended
June 30,



Six Months Ended

June 30,




2019


2018


 2019

2018

 

Stock options

$ 40,098

$ 85,325

   

$

72,196

  

  

$

165,314

   

 

Restricted stock units


136,770



   

 

267,165

  

  

 

   


Total $ 176,868

$ 85,325

$ 339,361

$ 165,314

 

Three Months Ended
June 30,



Six Months Ended

June 30,




2019


2018


2019
2018

   

Payroll and related expenses 

$ 170,118

$ 85,325

   

$

332,611

   

   

$

165,314

   


Marketing and business development expenses
6,750





6,750



 

       Total

$ 176,868

$ 85,325

   

$

339,361

   

 

$

165,314

   

Schedule of fair value stock-based option awards granted using Black-Scholes option valuation model

 

 

 

2019

 


  2018

 

Expected dividend yield

 

 

%



%

 

Expected stock volatility

 

 

68.35

%



25.70 %

 

Risk-free interest rate

 

 

2.44

%



2.56 %

 

Expected life

 

 

3.00

 



5.00
Schedule of employee stock option activity

 

 

 

 Shares

 

 

Weighted Average Fair Value Per Share

 

 

Weighted
Average Exercise Price Per Share

 

 

Weighted Average Remaining Terms (in years)

 

 

Aggregate Intrinsic Value

 

 

Outstanding – December 31, 2018

 

 

1,105,059

 

 

$

1.24

 

 

$

4.06

 

 

 

8.41

 

 

$

 

 

Granted

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Exercised

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Cancelled

 

 

(25,000

)

 

 

 

 

 

 

 

 


 

 

 

 

 

 

Outstanding – June 30, 2019

 

 

1,080,059

 

 

 

1.24

 

 

 

4.05

 

 

 

7.90

 

 

$

 

 

Exercisable – December 31, 2018

 

 

949,355

 

 

 

1.23

 

 

 

4.00

 

 

 

8.30

 

 

 

 

 

Exercisable – June 30, 2019

 

 

997,273

 

 

$

1.24

 

 

$

4.03

 

 

 

7.85

 

 

$

 

Schedule of RSU activities


    Number of Shares

 

Non-vested balance at January 1, 2019



22,364

 

Granted



508,349

Vested
(27,792 )

Forfeited/Expired

Non-vested balance at June 30, 2019 
502,921