Quarterly report pursuant to Section 13 or 15(d)

Stock-Based Compensation (Narrative) (Details)

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Stock-Based Compensation (Narrative) (Details)
 1 Months Ended 3 Months Ended 9 Months Ended
May. 31, 2015
USD ($)
shares
Mar. 31, 2015
USD ($)
shares
Feb. 28, 2015
USD ($)
shares
Sep. 30, 2015
USD ($)
plan
shares
Sep. 30, 2014
USD ($)
Sep. 30, 2015
USD ($)
plan
shares
Sep. 30, 2014
USD ($)
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]              
Number of stock based compensation plans | plan       2   2  
Stock compensation expense (reversal) | $       $ 397,000 $ (528,000) $ 1,900,000 $ 1,000,000
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Vested in Period           240,750  
Weighted Average Grant-Date Fair Value              
Unrecognized compensation expense, Nonvested awards | $       $ 1,500,000   $ 1,500,000  
Unrecognized compensation cost, Period for Recognition           1 year 8 months 12 days  
The 2002 and 2014 Plan              
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]              
Stock based compensation, outstanding stock options' expiration period           10 years  
Stock based compensation, outstanding stock options' expiration period upon optionee's separation from employment           90 days  
The 2002 and 2014 Plan | Minimum              
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]              
Stock based compensation, granted stock options' vesting period           1 year  
The 2002 and 2014 Plan | Maximum              
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]              
Stock based compensation, granted stock options' vesting period           4 years  
Unvested Restricted Stock              
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]              
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Vested in Period 100,750 20,000 120,000        
Aggregate fair value of restricted stock vested | $ $ 130,000 $ 33,000 $ 193,000        
The 2002 Plan              
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]              
Total number of shares authorized       12,000,000   12,000,000  
The 2014 Plan              
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]              
Total number of shares authorized       5,000,000   5,000,000