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Stock Based Compensation (Tables)
 3 Months Ended
Mar. 31, 2015
Disclosure of Compensation Related Costs, Share-based Payments [Abstract]  
Summary of Stock Options Outstanding

The following table summarizes stock options outstanding and changes for the three-month periods ending March 31, 2015 and 2014:

 

    March 31, 2015     March 31, 2014  
          Weighted           Weighted  
    Number of     Average     Number of     Average  
    stock options     Exercise Price     stock options     Exercise Price  
Stock options outstanding at beginning of period     160,748     $ 19.75       309,479     $ 19.75  
Expired     (2,500 )     32.90       -       -  
Canceled or forfeited     -       -       -       -  
Stock options outstanding at end of period     158,248     $ 25.06       309,479     $ 19.75  
Stock options exercisable at end of period     132,417     $ 29.25       256,656     $ 23.04  
Summary of Stock Options Outstanding and Exercisable by Stock option plan

The following table summarizes stock options outstanding and exercisable by stock option plan at March 31, 2015:

 

    Outstanding Options     Options Exercisable  
    Number of     Weighted     Number of     Weighted  
    Options     Average     Options     Average  
Stock Option Plan   Outstanding     Exercise Price     Exercisable     Exercise Price  
1995 Stock Incentive Plan     8,750     $ 31.20       8,750     $ 31.20  
2004 Stock Incentive Plan     69,500       10.10       51,167       12.74  
2004 Director’s Plan     74,998       39.68       71,250       41.32  
2013 Omnibus Incentive Plan     5,000       2.99       1,250       2.99  
      158,248     $ 25.06       132,417     $ 29.25  
Summary of Status of Non-Vested Restricted Shares

The following table summarizes RSU activity for the three-month periods ended March 31, 2015 and 2014:

 

    March 31, 2015     March 31, 2014  
    Number of     Average Grant     Number of     Average Grant  
    restricted     Date Fair     restricted     Date Fair  
    stock units     Value     stock units     Value  
Unvested RSUs at beginning of period     544,810     $ 2.84       280,000     $ 3.31  
Granted     -       -       -       -  
Forfeited     -       -       -       -  
Vested     (63,496 )     2.73       (33,333 )     2.83  
Unvested RSUs at end of period     481,314     $ 2.86       246,667     $ 3.37  
Summary of Restricted Stock Awards

The following table summarizes RSA activity for the three-month periods ended March 31, 2015 and 2014:

 

    March 31, 2015     March 31, 2014  
          Weighted-           Weighted-  
          Average           Average  
    Number of     Grant Date     Number of     Grant Date  
    RSAs     Fair Value     RSAs     Fair Value  
Unvested RSAs at beginning of period     26,670     $ 5.21       54,151     $ 5.49  
Granted     -       -       -       -  
Forfeited     -       -       (1,851 )     2.73  
Vested     (2,778 )     2.73       (11,482 )     2.73  
Unvested RSAs at end of period     23,892     $ 5.50       40,818     $ 6.39