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Stock Options and Grants (Tables)
 9 Months Ended
Sep. 30, 2018
Stock Options and Grants [Abstract]  
Summary 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, 2017

 

 

888,392

 

 

$

1.23

 

 

$

3.86

 

 

 

9.15

 

 

$

1,881,869

 

Granted

 

 

250,000

 

 

 

1.28

 

 

 

4.61

 

 

 

—

 

 

 

—

 

Exercised

 

 

—

 

 

 

—

 

 

 

—

 

 

 

—

 

 

 

—

 

Cancelled

 

 

—

 

 

 

—

 

 

 

—

 

 

 

—

 

 

 

—

 

Outstanding – September 30, 2018

 

 

1,138,392

 

 

$

1.24

 

 

$

4.03

 

 

 

8.65

 

 

$

570,521

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Exercisable – December 31, 2017

 

 

738,608

 

 

$

1.22

 

 

$

4.04

 

 

 

9.19

 

 

$

1,435,515

 

Exercisable – September 30, 2018

 

 

890,602

 

 

$

1.23

 

 

$

4.01

 

 

 

8.53

 

 

$

489,401