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Stock-Based Compensation Plan (Tables)
 3 Months Ended
Mar. 31, 2018
Stock-Based Compensation Plan [Abstract]  
Summary of option activity with respect to employees and independent directors
   

Number of

Shares

     Average Exercise Price per Share    

Weighted

Average

Remaining

Contractual

Term in Years

  
                   
Outstanding at January 1, 2016     4,000     $ 10.2       4.77  
Exercisable at January 1, 2016     4,000       10.2       4.77  
Granted     -       -       -  
Exercised     -       -       -  
Forfeited     -       -       -  
Outstanding at December 31, 2016     4,000       10.2       3.77  
Exercisable at December 31, 2016     4,000       10.2       3.77  
Granted     5,000       1.6       10  
Exercised     -       -       -  
Forfeited     -       -       -  
Outstanding at December 31, 2017     9,000       5.4       6.41  
Exercisable at December 31, 2017     9,000       5.4       6.41  
Granted     -       -       -  
Exercised     -       -       -  
Forfeited     -       -       -  
Outstanding at March 31, 2018     9,000     $ 5.4       6.16  
Exercisable at March 31, 2018     9,000     $ 5.4       6.16