XML 48 R35.htm IDEA: XBRL DOCUMENT v2.4.0.8
Stockholders Equity (Tables)
12 Months Ended
Dec. 31, 2013
Stockholders Equity [Abstract]  
Stock option activity under share-based compensation plans
A summary of option transactions for all of the Company’s stock options during the years ended December 31, 2013, 2012 and 2011:
 
   
Number of Stock
Options
  
Weighted
Average
Exercise Price
 
Outstanding at December 31, 2010
  1,950,936  $0.69 
Granted
  1,476,279   0.04 
Exercised
  (2,782,435)  0.15 
Assumed in reverse merger
  180,718   19.54 
Expired/cancelled
  (644,780)  1.32 
Outstanding at December 31, 2011
  180,718   19.54 
Granted
  739,000   15.87 
Exercised
  (10,048)  6.67 
Expired/cancelled
  (11,129)  20.25 
Outstanding at December 31, 2012
  898,541   16.65 
Granted
  259,625   16.59 
Exercised
  (3,750)  6.24 
Expired/cancelled
  (21,738)  31.36 
Outstanding at December 31, 2013
  1,132,678  $16.51 
Exercisable at December 31, 2013
  320,053  $17.35 
 
Schedule of outstanding and exercisable options
The outstanding and exercisable options at December 31, 2013, have a range of exercise prices and associated weighted remaining contractual life and weighted average exercise price, as follows:
 
Options Range
of Exercise
Prices
  
Outstanding
Number of
Shares
  
Weighted Average
Remaining
Contractual Life
(years)
  
Weighted
Average
Exercise Price
  
Exercisable
Number of
Shares
  
Exercisable
Weighted Avg.
Exercise Price
 
$0 - $15.00   691,831   8.33  $13.92   145,706  $12.45 
$15.01 - $30.00   427,900   8.32  $19.02   161,400  $17.41 
$30.01 - $45.00   2,169   4.02  $39.41   2,169  $39.41 
$45.01 - $60.00   3,563   2.97  $47.07   3,563  $47.07 
$60.01 - up   7,215   1.03  $93.69   7,215  $93.69 
Total
   1,132,678   8.25  $16.51   320,053  $17.35 
Schedule of outstanding options
The outstanding options will expire, as follows:
Year Ending
 
Number of Shares
  
Weighted
Average
Exercise Price
  
Exercise Price
 
2014
  2,499  $102.48  $102.48 
2015
  2,499  $102.90  $102.90 
2016
  2,634  $69.48  $48.72 - $93.66 
2017
  3,146  $46.85  $46.62 - $47.88 
2018 and later
  1,121,900  $15.91  $5.70 - $20.00 
    1,132,678  $16.51  $5.70 - $102.90 
 
Weighted average assumptions used to estimate fair value of stock options
The Company uses the Black-Scholes option-pricing model to estimate fair value of grants of stock options with the following weighted average assumptions:
 
   
Year Ended December 31,
 
   
2013
  
2012
  
2011
 
Risk-free interest rate
  1.3%  1.2%  N/A 
Volatility
  85.25%  85.53%  N/A 
Expected dividend yield
  0%  0%  N/A 
Expected life
 
5.5 years
  
5.5 years
   N/A 
Estimated forfeiture rate
  0%  0%  N/A 
 
Summary of warrant transactions
A summary of warrant transactions for the years ended December 31, 2013, 2012 and 2011 is as follows:
 
   
Number of Warrants
  
Weighted
Average
Exercise Price
 
Outstanding at January 1, 2011
  -  $- 
Issued
  -   - 
Assumed in reverse merger
  1,067,240   19.98 
Exercised
  -   - 
Expired/cancelled
  -   - 
Outstanding at December 31, 2011
  1,067,240   19.98 
Issued
  25,000   20.00 
Exercised
  (17,756)  7.50 
Expired/cancelled
  (11,216)  47.04 
Outstanding at December 31, 2012
  1,063,268   19.91 
Issued
  -   - 
Exercised
  -   - 
Expired/cancelled
  (4,589)  18.48 
Outstanding at December 31, 2013
  1,058,679  $19.91 
 
Summary of warrant transactions expiration period
If not previously exercised, the outstanding warrants will expire as follows:
 
 
 
Year Ending December 31,
 
Number of Warrants
  
Weighted
Average
Exercise Price
 
        
2014
  1,026,429  $20.00 
2015
  32,250   17.19 
    1,058,679  $19.91