Quarterly report pursuant to Section 13 or 15(d)

Stock-Based Compensation (Tables)

v3.19.1
Stock-Based Compensation (Tables)
3 Months Ended
Mar. 31, 2019
Stock-Based Compensation [Abstract]  
Summary Of Stock Compensation Expense



 

 

 

 



For the Three Months Ended
March 31,



2019

2018

Statement of operations line item:

 

 

 

 

General and administrative

$

116,679 

$

216,415 

Research and development

 

44,321 

 

80,162 



 

 

 

 

Total

$

161,000 

$

296,577 



Schedule Of Assumptions Made In Calculating The Fair Value Of Options



 

 

 

 



 

 

 

 



For the Three Months Ended March 31,



2019

2018

Black-Scholes assumptions

 

 

 

 

Expected dividend yield

%

%

Expected volatility

74 

%

69-72 

%

Risk-free interest rate

2.5-2.6

%

2.3-2.7

%

Expected term (in years)

6 years

 

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, 2019

255,922 

$

41.88 

7.8 years

$

 -

Granted

31,243 

$

7.20 

 

 

 

Exercised

 -

$

 -

 

 

 

Expired

(1,000)

$

44.40 

 

 

 

Cancelled

(34,730)

$

22.89 

 

 

 



 

 

 

 

 

 

Outstanding, March 31, 2019

251,435 

$

40.15 

7.6 years

$

 -

Exercisable, March 31, 2019

138,292 

$

60.45 

6.2 years

$

 -



Summary Of Unvested Shares



 

 

 



 

 

 



2019



Number of  Options

Weighted Average Fair Value at Grant Date

Unvested at January 1, 2019

131,531 

$

13.19 

Granted

31,243 

$

4.78 

Vested

(16,531)

$

20.16 

Cancelled

(33,100)

$

12.73 



 

 

 

Unvested at March 31, 2019

113,143 

$

9.99 



Summary Of RSU Activity



 

 

 



Number of RSUs

 

Weighted Average Grant Date Fair Value

Outstanding, January 1, 2019

1,394 

$

22.08 

Granted

 -

$

 -

Vested and Released

(464)

$

22.08 

Cancelled

(659)

$

22.08 



 

 

 

Outstanding, March 31, 2019

271 

$

22.08