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Stock-based Compensation (Details Textual) - USD ($)
3 Months Ended
Mar. 31, 2016
Mar. 31, 2015
Jun. 02, 2010
Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Line Items]      
Allocated Share Based Compensation Expense $ 59,000 $ 36,000  
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 $ 440,000    
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