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Stockholders' Equity (Details Textual) - shares
3 Months Ended
Mar. 31, 2016
Nov. 25, 2015
Mar. 31, 2015
Dec. 31, 2008
Stockholders Equity [Line Items]        
Class of Warrant or Right, Number of Securities Called by Warrants or Rights 1,422,781   1,922,781  
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period 46,250      
Beneficial Ownership Percentage Held By Affiliates   4.99%    
Share-based Compensation Arrangement by Share-based Payment Award, Options, Forfeitures and Expirations in Period, Total 186,957      
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercises in Period 16,900      
Additional Amount to Declare Stockholder as an Acquiring Person Percentage   0.50%    
2007 Long Term Incentive Plan [Member]        
Stockholders Equity [Line Items]        
Common Stock, Capital Shares Reserved for Future Issuance       3,500,000
Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Authorized 10,300,000      
Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Available for Grant 3,600,000      
2007 Long Term Incentive Plan [Member] | Maximum [Member]        
Stockholders Equity [Line Items]        
Common Stock, Capital Shares Reserved for Future Issuance       4,600,000