Quarterly report pursuant to Section 13 or 15(d)

Stock-Based Compensation (Tables)

v2.4.1.9
Stock-Based Compensation (Tables)
3 Months Ended
Mar. 31, 2015
Stock-Based Compensation [Abstract]  
Summary Of Stock Compensation Expense

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Three Months Ended March 31,

 

 

2015

2014

Statement of operations line item:

 

 

 

 

General and administrative

$

190,039 

$

80,911 

Research and development

 

82,347 

 

47,439 

 

 

 

 

 

Total

$

272,386 

$

128,350 

 

Schedule Of Assumptions Made In Calculating The Fair Value Of Options

 

 

 

 

 

 

 

 

 

 

 

Three Months Ended March 31,

 

2015

2014

Black-Scholes assumptions

 

 

 

 

Expected dividend yield

%

%

Expected volatility

79-80

%

92-97

%

Risk free interest rate

1.3-1.6

%

1.5-1.7

%

Expected term (in years)

6 years

 

5 years

 

 

Summary Of Employee And Non-Employee Transactions

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

2015

 

 

2014

 

Number of Options

Weighted Average Exercise Price

Number of Options

Weighted Average Exercise  Price

Outstanding at

 

 

 

 

 

 

January 1

11,400,806 

$

0.93 
9,356,795 

$

0.92 

Granted

3,426,316 

 

0.72 
975,999 

 

1.14 

Exercised

(881,928)

 

0.80 
(87,500)

 

0.80 

Expired

(1,431,879)

 

0.80 

 -

 

 -

Cancelled

 -

 

 -

 -

 

 -

 

 

 

 

 

 

 

Outstanding at March 31

12,513,315 

$

0.90 
10,245,294 

$

0.94 

 

Summary Of Stock Options Outstanding

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Number of Options

Weighted Average Exercise Price

Weighted Average Remaining Contractual Term

Aggregate Intrinsic Value

Outstanding at

 

 

 

 

 

 

March 31, 2015

12,513,315

$

0.90 

7.2 years

$

991,726 

 

 

 

 

 

 

 

Exercisable at

 

 

 

 

 

 

March 31, 2015

6,345,300 

$

1.02 

5.1 years

$

747,700 

 

 

 

 

 

 

 

Outstanding at

 

 

 

 

 

 

December 31, 2014

11,400,806 

$

0.93 

5.2 years

$

842,300 

 

 

 

 

 

 

 

Exercisable at

 

 

 

 

 

 

December 31, 2014

8,167,307 

$

0.97 

3.6 years

$

613,550 

 

Summary Of Unvested Shares

 

 

 

 

 

 

 

 

 

2015

 

Number of  Options

Weighted Average Fair Value at Grant Date

Unvested at January 1, 2015

3,233,499 

$

0.60 

Granted

3,426,316 

$

0.49 

Vested

(491,800)

$

0.60 

Cancelled

 -

$

 -

 

 

 

 

Unvested at March 31, 2015

6,168,015 

$

0.54