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Long-Term Incentive Plan (Details) (USD $)
 3 Months Ended 6 Months Ended
Jun. 30, 2014
Jun. 30, 2013
Jun. 30, 2014
Jun. 30, 2013
Long-Term Incentive Plan        
Total compensation cost $ 82,000   $ 67,000  
Weighted Average Grant Date Fair Value        
Benefit on recapture of restricted stock       612,000
2014 Plan
        
Long-Term Incentive Plan        
Number of shares authorized 375,000   375,000  
Number of shares issuable 210,500   210,500  
Stock options
        
Long-Term Incentive Plan        
Granted (in shares)     0 0
Term of stock options granted     10 years  
Exercised (in shares) 0 0    
Total unrecognized compensation cost 0   0  
Shares        
Balance outstanding at the beginning of the period (in shares)     325,500  
Balance outstanding at the end of the period (in shares) 325,500   325,500  
Exercisable at end of period (in shares) 325,500   325,500  
Weighted Average Exercise Price        
Balance outstanding at the beginning of the period (in dollars per share)     $ 29.56  
Balance outstanding at the end of the period (in dollars per share) $ 29.56   $ 29.56  
Exercisable at end of period (in dollars per share) $ 29.56   $ 29.56  
Weighted Average Remaining Contractual Term (years)        
Balance outstanding at the end of the period     2 years  
Exercisable at end of period     2 years  
Restricted stock and restricted stock units
        
Long-Term Incentive Plan        
Granted (in shares) 184,500      
Vesting period     3 years  
Nonvested shares of restricted shares rights        
Nonvested at the beginning of the period (in shares)     185,500  
Granted (in shares)   0 184,500 155,500
Vested (in shares)     (25,000)  
Forfeited (in shares)     (20,000)  
Nonvested at the end of the period (in shares) 325,000   325,000  
Weighted Average Grant Date Fair Value        
Nonvested at the beginning of the period (in dollars per share)     $ 2.95  
Granted (in dollars per share)     $ 4.82  
Vested (in dollars per share)     $ 2.06  
Forfeited (in dollars per share)     $ 1.74  
Nonvested at the end of the period (in dollars per share) $ 4.15   $ 4.15  
Total unrecognized compensation cost of restricted awards $ 1,100,000 $ 462,000 $ 1,100,000 $ 462,000
Expected weighted-average period for recognition of unrecognized compensation     2 years 8 months 16 days 2 years 7 months 28 days