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Stock-based Compensation (Details Textual) - USD ($)
3 Months Ended 6 Months Ended
Jun. 30, 2016
Jun. 30, 2015
Jun. 30, 2016
Jun. 30, 2015
Jun. 02, 2010
Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Line Items]          
Allocated Share Based Compensation Expense $ 60,000 $ 58,000 $ 119,000 $ 94,000  
Incentive Compensation Plan [Member]          
Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Line Items]          
Common Stock, Capital Shares Reserved for Future Issuance         880,000
Share-based Compensation, Compensation Cost Not yet Recognized $ 416,000   $ 416,000    
Incentive Compensation Plan [Member] | Maximum [Member]          
Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Line Items]          
Common Stock, Capital Shares Reserved for Future Issuance         1,630,000
Incentive Compensation Plan [Member] | Minimum [Member]          
Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Line Items]          
Common Stock, Capital Shares Reserved for Future Issuance         750,000