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Stockholders' Equity (Details Textual) - USD ($)
 1 Months Ended 3 Months Ended 9 Months Ended 12 Months Ended
Oct. 07, 2018
Jun. 15, 2018
Oct. 07, 2017
May 05, 2017
Apr. 13, 2017
Dec. 19, 2017
May 16, 2016
Sep. 30, 2018
Sep. 30, 2017
Sep. 30, 2018
Sep. 30, 2017
Dec. 31, 2017
Dec. 31, 2016
Apr. 07, 2017
Stockholders' Equity (Textual)                            
Stock-based compensation expense                   $ 1,205,682 $ 1,033,143 $ 1,579,921 $ 353,120  
Incremental modified compensation cost                       $ 55,055    
Aggregate purchase price           $ 1,000,000                
Common stock, shares sold           200,000                
Increase total number of shares of common stock authorized for issuance                           25,000,000
Agreements amendments, description   (i) a restricted stock award agreement, dated March 3, 2016, as amended, related to the original award of 142,858 shares of restricted common stock to Mr. Lerner and (ii) a restricted stock award agreement, dated December 14, 2011, as amended, related to the original award of 121,429 shares of restricted common stock to Mr. Lerner (together, the “Restricted Stock Award Amendments”).                        
Purchase price, per share           $ 5.00                
Subsequent Event [Member]                            
Stockholders' Equity (Textual)                            
Agreements amendments, description 79,285 shares of Mr. Lerner’s restricted stock vested. Pursuant to the Restricted Stock Award Amendments, the Company was required, in order to assist Mr. Lerner in satisfying his tax withholding obligations with respect to the vesting restricted shares, to withhold 20,000 shares of vesting restricted common stock. The remaining amount of the tax withholding obligation was paid by Mr. Lerner and Mr. Lerner’s unvested shares of restricted common stock will continue to vest as scheduled.<b> </b>The remaining 79, 286 shares will vest on October 7, 2019.                          
Maximum [Member]                            
Stockholders' Equity (Textual)                            
Options to purchase aggregate common stock exercise price, cancelled                       $ 21.00    
Options to purchase aggregate common stock exchanged exercise price per share                       6.00    
Minimum [Member]                            
Stockholders' Equity (Textual)                            
Options to purchase aggregate common stock exercise price, cancelled                       4.55    
Options to purchase aggregate common stock exchanged exercise price per share                       $ 3.36    
Harrington [Member]                            
Stockholders' Equity (Textual)                            
Stock options, exercise price       $ 3.36                    
Stock option right to purchase       28,571                    
Chief Executive Officer [Member]                            
Stockholders' Equity (Textual)                            
Stock option transaction description         (i) a stock option representing the right to purchase 80,000 shares of common stock at an exercise price equal to $3.63 per share, with the shares underlying this stock option vesting 25% on the six month anniversary of the date of grant and the remaining three tranches vesting on each of the first, second and third anniversaries of the first vesting date, and (ii) a stock option representing the right to purchase 24,000 shares of common stock at an exercise price equal to $3.63 per share, with the shares underlying this stock option vesting based on the Company's achievement of certain performance goals related to its annual revenues. In addition, on April 13, 2017, the Company's Board of Directors awarded Jason Katz, Chief Operating Officer and Chairman of the Board of Directors, a stock option representing the right to purchase 70,000 shares of common stock at an exercise price equal to $3.63 per share, with (i) 17,500 of the underlying shares vesting based on the Company's achievement of certain performance goals related to its earnings before interest, tax, depreciation, and amortization and (ii) 52,500 of the underlying shares vesting based on the Company's achievement of certain performance goals related to its annual revenues.                  
Clifford Lerner [Member]                            
Stockholders' Equity (Textual)                            
Vesting shares of restricted stock     105,715                      
Stock Compensation Plan [Member]                            
Stockholders' Equity (Textual)                            
Number of shares issued under plan             1,300,000              
Percentage of common stock delivered pursuant to incentive stock options             100.00%         100.00%    
Number of stock available for future issuance               408,508   408,508   501,810    
Terminated date of future awards                   May 16, 2016   May 16, 2016    
Stock-based compensation expense                       $ 741,496 185,374  
Restricted Stock [Member]                            
Stockholders' Equity (Textual)                            
Total unrecognized compensation expense               $ 741,496   $ 741,496   $ 1,297,617    
Weighted average expected recognition period of unrecognized compensation expense                   1 year   1 year 9 months 18 days    
Stock-based compensation expense               185,374 $ 185,374 $ 556,122 556,122      
Vesting shares of restricted stock                     43,405    
Restricted Stock [Member] | Clifford Lerner [Member]                            
Stockholders' Equity (Textual)                            
Vesting shares of restricted stock     43,405                      
Stock Option [Member]                            
Stockholders' Equity (Textual)                            
Aggregate intrinsic value of stock options, outstanding               1,752,348 17,565 $ 1,752,348 17,565 $ 3,063,208    
Aggregate intrinsic value of stock options, exercisable               825,048 $ 9,972 825,048 9,972 1,175,244    
Aggregate fair value of options granted                   708,501 $ 966,560 1,740,578 $ 682,740  
Total unrecognized compensation expense               $ 1,625,919   $ 1,625,919   $ 1,581,586    
Weighted average expected recognition period of unrecognized compensation expense                   2 years 1 month 6 days   2 years 8 months 5 days    
Stock-based compensation expense                       $ 50,114    
Options to purchase aggregate common stock shares, cancelled                       77,312    
Stock option transaction description                   These options vest between one and four years and have a term of ten years.   The options vest between one, three and four years and have a term of ten years.    
Aggregate purchase of common stock, shares                   120,130   611,522    
Repurchased aggregate shares of common stock                       64,600    
Weighted average exercise price                   $ 4.43        
Stock Option [Member] | Maximum [Member]                            
Stockholders' Equity (Textual)                            
Stock options, exercise price                   6.99        
Stock Option [Member] | Minimum [Member]                            
Stockholders' Equity (Textual)                            
Stock options, exercise price                   $ 5.10        
2011 Plan [Member]                            
Stockholders' Equity (Textual)                            
Number of shares issued under plan                   181,604   181,604