Annual report pursuant to Section 13 and 15(d)

Stock-Based Compensation (Tables)

v3.8.0.1
Stock-Based Compensation (Tables)
 12 Months Ended
Dec. 31, 2017
Stock-Based Compensation [Abstract]  
Summary Of Stock Compensation Expense



 

 

 

 

 

 



For the Year Ended December 31,



2017

2016

2015

Statement of operations line item:

 

 

 

 

 

 

General and administrative

$

 765,726 

$

 905,911 

$

 665,063 

Research and development

 

 278,441 

 

 503,577 

 

 372,616 



 

 

 

 

 

 

Total

$

 1,044,167 

$

 1,409,488 

$

 1,037,679 



Schedule Of Assumptions Made In Calculating The Fair Value Of Options



 

 

 

 

 

 



 

 

 

 

 

 



Year Ended December 31,



2017

2016

2015

Black-Scholes assumptions

 

 

 

 

 

 

Expected dividend yield

 0 

%

 0 

%

 0 

%

Expected volatility

 69-79 

%

 31-75 

%

 72-80 

%

Risk-free interest rate

1.7-2.0

%

0.8-1.4

%

1.2-1.7

%

Expected term (in years)

5.5-6 years

 

2-6 years

 

5-6 years

 



Summary Of Share-Based Transactions



 

 

 

 

 

 



 

 

 

 



Number of Options

 

Weighted Average Exercise Price

Weighted Average Remaining Contractual Term

 

Aggregate Intrinsic Value

Outstanding, January 1, 2017

 1,690,037 

$

 6.20 

7.3 years

$

 -

Granted

 483,260 

$

 2.37 

 

 

 

Exercised

 (25,000)

$

 3.10 

 

 

 

Expired

 (20,000)

$

 16.18 

 

 

 

Cancelled

 (314,066)

$

 4.97 

 

 

 



 

 

 

 

 

 

Outstanding, December 31, 2017

 1,814,231 

$

 5.33 

7.1 years

$

 53,883 

Exercisable, December 31, 2017

 1,086,688 

$

 6.50 

6.2 years

$

 321 



Summary Of Unvested Shares



 

 

 



 

 

 



2017



Number of  Options

Weighted Average Fair Value at Grant Date

Unvested at January 1, 2017

 897,123 

$

 3.21 

Granted

 483,260 

$

 1.53 

Vested

 (489,235)

$

 3.11 

Cancelled

 (163,605)

$

 2.25 



 

 

 

Unvested at December 31, 2017

 727,543 

$

 2.39 



Summary Of RSU Activity



 

 

 



Number of RSUs

 

Weighted Average Grant Date Fair Value

Outstanding, January 1, 2017

 -

$

 -

Granted

 62,300 

$

 1.84 

Vested and Released

 -

$

 -

Cancelled

 (15,000)

$

 1.84 



 

 

 

Outstanding, December 31, 2017

 47,300 

$

 1.84