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Stockholders’ Equity (Details Textual) - USD ($)
1 Months Ended 3 Months Ended 12 Months Ended
Sep. 30, 2017
Aug. 17, 2017
Apr. 30, 2018
Jan. 31, 2018
Jun. 21, 2017
Mar. 24, 2017
Jul. 19, 2016
Oct. 31, 2014
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       68,139        
Stock Repurchase Program, Authorized Amount             $ 2,500,000  
Class of Warrant or Right, Number of Securities Called by Warrants or Rights               55,500
Class of Warrant or Right, Exercise Price of Warrants or Rights               $ 11.00
Class of Warrant or Right, Outstanding     55,500 55,500        
Common Stock, Shares, Issued     8,472,640 8,472,640 360,000      
Common Stock, Par Or Stated Value Per Share   $ 0.01 $ 0.01 $ 0.01        
Shares Issued, Price Per Share   $ 13.80 $ 13.80          
Share Based Compensation Arrangements By Share Based Payment Award Market Liability     $ 0 $ 1,913        
Number Of Share To Beissued Under Under Writing Agreement   725,000            
Underwriting Discount Per Share Sold   $ 0.966            
Net Proceeds From Issuance Of Common Stock After Deducting Underwriting Discounts And Estimated Offering Expenses   $ 10,100,000            
Shelf Registration Statement, Maximum Amount Authorized           $ 30,000,000    
Share-based Compensation Arrangement by Share-based Payment Award, Number of Additional Shares Authorized   108,750            
Maximum [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       56,784        
2012 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     310,000          
2012 Plan [Member] | Common Stock [Member]                
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                
Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested, Number of Shares     293,887          
2015 Plan [Member]                
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                
Common Stock, Capital Shares Reserved for Future Issuance     100,000          
Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested, Number of Shares     67,000          
Stock Issued During Period, Shares, Share-based Compensation, Net of Forfeitures     43,029          
Share-based Compensation Arrangement by Share-based Payment Award, Shares Issued in Period     23,971          
Bonus-in-stock program [Member]                
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                
Share-Based Compensation Arrangement By Share-Based Payment Award, Purchase Price Of Common Stock, Percent     133.00%          
2017 Plan [Member]                
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                
Employee Service Share-Based Compensation, Nonvested Awards, Total Compensation Cost Not Yet Recognized, Stock Options At Base Line Performance     $ 576,679          
Restricted Stock [Member] | Maximum [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     56,784          
Restricted Stock [Member] | 2017 Plan [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     12,896          
Employee Service Share-based Compensation, Nonvested Awards, Compensation Cost Not yet Recognized, Total     $ 39,987          
Employee Service Share-based Compensation, Nonvested Awards, Compensation Not yet Recognized, Share-based Awards Other than Options     $ 184,879          
Stock Appreciation Rights [Member] | 2017 Plan [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     6,376          
Performance Based Restricted Stock [Member] | 2017 Plan [Member]                
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                
Restricted Stock or Unit Expense     $ 65,824          
Employee Stock Option [Member]                
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                
Stock Issued During Period, Shares, New Issues 83,750