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Stockholders' Equity (Details Textual) - USD ($)
3 Months Ended
Mar. 01, 2016
Mar. 31, 2016
Mar. 31, 2015
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Share-Based Compensation Arrangement By Share-Based Payment Award, Options, Grants In Period, Gross   2,421,500  
Share-based Compensation Arrangements by Share-based Payment Award, Options, Grants in Period, Weighted Average Exercise Price   $ 6.13  
Equity Option [Member]      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Allocated Share-based Compensation Expense   $ 18,000 $ 17,000
Management [Member]      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Share-Based Compensation Arrangement By Share-Based Payment Award, Options, Grants In Period, Gross 100,000    
Share-based Compensation Arrangements by Share-based Payment Award, Options, Grants in Period, Weighted Average Exercise Price $ 7.00    
Non Management Directors [Member]      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Rights, Percentage   50.00%  
Share-Based Compensation Arrangement By Share-Based Payment Award, Options, Grants In Period, Gross   150,000  
Share-based Compensation Arrangements by Share-based Payment Award, Options, Grants in Period, Weighted Average Exercise Price   $ 5.80  
Executives, Non-Executive Management And Employees [Member]      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Share-Based Compensation Arrangement By Share-Based Payment Award, Options, Grants In Period, Gross   1,671,500  
Share-based Compensation Arrangements by Share-based Payment Award, Options, Grants in Period, Weighted Average Exercise Price   $ 5.80  
Key Employees [Member]      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Share-Based Compensation Arrangement By Share-Based Payment Award, Options, Grants In Period, Gross   500,000  
Key Employees [Member] | Exercise Price One [Member]      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Share-Based Compensation Arrangement By Share-Based Payment Award, Options, Grants In Period, Gross   100,000  
Share-based Compensation Arrangements by Share-based Payment Award, Options, Grants in Period, Weighted Average Exercise Price   $ 5.80  
Key Employees [Member] | Exercise Price Two [Member]      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Share-Based Compensation Arrangement By Share-Based Payment Award, Options, Grants In Period, Gross   400,000  
Share-based Compensation Arrangements by Share-based Payment Award, Options, Grants in Period, Weighted Average Exercise Price   $ 7.50  
Employee Stock Option [Member]      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Employee Service Share-based Compensation, Nonvested Awards, Compensation Cost Not yet Recognized   $ 3,516,000  
Employee Service Share-based Compensation, Nonvested Awards, Compensation Cost Not yet Recognized, Period for Recognition   3 years 2 months 26 days  
Restricted Stock [Member]      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Stock Issued During Period, Shares, Restricted Stock Award, Net of Forfeitures   17,242  
Allocated Share-based Compensation Expense   $ 1,194,000 $ 996,000
Employee Service Share-based Compensation, Nonvested Awards, Compensation Cost Not yet Recognized   $ 4,818,000  
Employee Service Share-based Compensation, Nonvested Awards, Compensation Cost Not yet Recognized, Period for Recognition   1 year 8 months 1 day  
Restricted Stock [Member] | Management [Member]      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Stock Issued During Period, Shares, Restricted Stock Award, Net of Forfeitures   50,000  
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Rights, Percentage   25.00%  
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Period   4 years  
Restricted Stock [Member] | Non Management Directors [Member]      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Stock Issued During Period, Shares, Restricted Stock Award, Net of Forfeitures   48,000  
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Rights, Percentage   50.00%  
Restricted Stock [Member] | Executive Officer [Member]      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Stock Issued During Period, Shares, Restricted Stock Award, Net of Forfeitures   150,001  
2011 Equity Incentive Plan [Member]      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Available for Grant   562,610  
Common Stock, Capital Shares Reserved for Future Issuance   5,551,653  
Common Stock, Eligible for Issuance   8,000,000