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Shareholders' Equity (Tables)
 12 Months Ended
Dec. 31, 2017
Stockholders' Equity Note [Abstract]  
Schedule of Stock Options Activity

A summary of the combined activity in the 2001 ISOP, the 2012 Equity Plan, and the 2008 Director SOP for the years ended December 31, 2017, 2016 and 2015 is as follows:

 

    2017     2016     2015  
    Shares     Price (1)     Shares     Price (1)     Shares     Price (1)  
                                     
Outstanding, beginning of year     390,525     $ 20.64       390,525     $ 20.64       2,276,079     $ 3.78  
Granted     170,000       1.00       -       -       340,711       1.50  
Forfeited     -       -       -       -       -       -  
Expired     (170,838 )     29.82       -       -       (273,768 )     3.86  
Exercised     -       -       -       -       -       -  
                                                 
Outstanding, end of year     389,687     $ 8.05       390,525     $ 20.64       2,343,022     $ 3.44  
Shares restated after 6 to 1 split     389,687     $ 8.05       390,525     $ 20.64       390,525     $ 20.64  
                                                 
Exercisable, end of year     274,132     $ 10.79       376,084     $ 20.79       2,194,022     $ 3.53  
Shares restated after 6 to 1 split     -     $ -       -     $ -       365,693     $ 21.17  

  

  (1) Represents the weighted average price.
Schedule of Stock Options Outstanding and Exercisable

The following table summarizes information for stock options outstanding and for stock options exercisable at December 31, 2017:

 

Options Outstanding   Options Exercisable  
Number   Exercise Price     Remaining     Number     Weighted  
of   Range     Weighted     Contractual     of     Average  
Shares   Low     High     Average     Term (years)     Shares     Exercise Price  
                                     
56,786   $ 9.00     $ 9.00     $ 9.00       7.0       51,231     $ 9.00  
49,504     12.48       12.48       12.48       5.5       49,504       12.48  
98,396     13.92       17.10       15.01       1.8       98,396       15.01  
15,001     22.62       30.24       24.03       5.5       15,001       24.03  
60,000     0.72       0.72       0.72       9.6       60,000       0.72  
110,000     1.16       1.16       1.16       9.9       -       -  
                                                 
389,687   $ 0.72     $ 30.24     $ 8.05       6.7       274,132     $ 10.79  
Schedule of Assumptions Fair Value of Options

. In estimating the fair value of options, the Company used the Black-Scholes option-pricing model with the following weighted average assumptions:

 

    2017     2016  
             
Expected lives (in years)     10.0       -  
Risk-free interest rate     2.33 %     -  
Expected volatility     80.0 %     -  
Expected dividend yield     0.00 %     -