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Stockholders' Equity (Details Textual) - USD ($)
 1 Months Ended 3 Months Ended
Feb. 28, 2017
Aug. 31, 2016
Mar. 31, 2017
Mar. 31, 2016
Apr. 01, 2017
Jan. 31, 2017
Dec. 31, 2016
Class of Stock [Line Items]              
Common Stock, Shares Authorized     62,500,000        
Preferred Stock, Shares Authorized     2,000,000        
Share-Based Compensation     $ 143,000 $ 168,000      
Proceeds From Issuance Or Sale Of Equity     8,667,000 0      
Underwritten Public Offering [Member]              
Class of Stock [Line Items]              
Stock Issued During Period, Value, New Issues     9,600,000        
Proceeds From Issuance Or Sale Of Equity     $ 8,700,000        
Right Offering [Member]              
Class of Stock [Line Items]              
Warrants Authorized For Issuance To Acquire Common Stock Shares Number     2,395,471        
Stock Issued During Period, Shares, Other     2,395,471        
Shares Issued, Price Per Share           $ 4.00  
Subsequent Event [Member]              
Class of Stock [Line Items]              
Class of Warrant or Right, Number of Securities Called by Warrants or Rights         345,000    
Class of Warrant or Right, Exercise Price of Warrants or Rights         $ 5.00    
Consultant Plan [Member]              
Class of Stock [Line Items]              
Common Stock, Capital Shares Reserved for Future Issuance     117,018        
Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Gross   10,000          
Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Weighted Average Grant Date Fair Value     $ 4.85        
Shares Reserved Unissued     81,268        
Stock Option Plan Description     The Consultant Plan provides for quarterly increases in the available number of authorized shares equal to the lesser of 1% of any new shares issued by the Company during the quarter immediately prior to the adjustment date or such lesser amount as the Board of Directors shall determine.        
Share Based Compensation Arrangement by Share Based Payment Award Options Grants In Period Fair Value     $ 49,000        
Consultant Plan Expenses     $ 12,000 10,000      
Warrant [Member] | Right Offering and Public Offering [Member]              
Class of Stock [Line Items]              
Warrants Authorized For Issuance To Acquire Common Stock Shares Number     2,395,471        
Shares Issued, Price Per Share     $ 4.00        
Derivative Liability     $ 2,324,000        
Share-based Compensation Arrangement by Share-based Payment Award, Expiration Date     Jan. 25, 2019        
Equity Incentive Plan [Member]              
Class of Stock [Line Items]              
Share Based Compensation Arrangement By Share Based Payment Award Purchase Price Share Minimum     85.00%        
Common Stock, Capital Shares Reserved for Future Issuance     1,408,621        
Increase Decrease Of Share Based Compensation Arrangement By Share Based Payment Award Percentage     10.00%        
Share-based Compensation Outstanding - Reserved but unissued shares under the Plan     873,210       882,815
Employee Service Share-based Compensation, Nonvested Awards, Total Compensation Cost Not yet Recognized     $ 524,000        
Share-Based Compensation     $ 143,000 $ 205,000      
Shares Reserved Unissued     58,397        
Selling, General and Administrative Expense, Total     $ 75,000        
Employee Service Share-based Compensation, Nonvested Awards, Compensation Cost Not yet Recognized, Period for Recognition     2 years 4 months 24 days        
Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested and Expected to Vest, Exercisable, Number     667,572       547,532
Selling General And Admininstrative Expense To Be Recognized     $ 225,000        
Equity Incentive Plan [Member] | Subsequent Event [Member]              
Class of Stock [Line Items]              
Common Stock, Capital Shares Reserved for Future Issuance         1,670,363    
Shares Reserved Unissued         320,129    
Equity Incentive Plan [Member] | Director [Member]              
Class of Stock [Line Items]              
Employee Service Share-based Compensation, Nonvested Awards, Total Compensation Cost Not yet Recognized     225,000        
Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Weighted Average Grant Date Fair Value $ 3.60            
Share Based Compensation Arrangement by Share Based Payment Award Options Grants In Period Fair Value $ 300,000            
Stock Issued During Period, Shares, Issued for 2017 Board Services 83,334            
Share Repurchase Price Per Share $ 0.0001            
Equity Incentive Plan [Member] | Chief Executive Officer [Member]              
Class of Stock [Line Items]              
Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Weighted Average Grant Date Fair Value $ 3.60            
Share Based Compensation Arrangement by Share Based Payment Award Options Grants In Period Fair Value $ 490,000            
Stock Issued During Period, Shares, Accrued Compensation 136,110            
Share Repurchase Price Per Share $ 0.0001            
MDB Consulting Services [Member]              
Class of Stock [Line Items]              
Underwriting Expense     915,000        
Payments for Underwriting Expense     575,000        
Other Underwriting Expense     $ 60,000