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Stockholders' Equity (Details Textual) - USD ($)
 1 Months Ended 3 Months Ended 6 Months Ended 12 Months Ended
Jun. 15, 2018
Oct. 07, 2017
May 05, 2017
Apr. 13, 2017
Dec. 19, 2017
May 16, 2016
Jun. 30, 2018
Jun. 30, 2017
Jun. 30, 2018
Jun. 30, 2017
Dec. 31, 2017
Dec. 31, 2016
Apr. 07, 2017
Stockholders' Equity (Textual)                          
Stock-based compensation expense                 $ 792,600 $ 694,287 $ 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 <p style="margin: 0pt">(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”).</p>               <p style="margin: 0pt">(i) Mr. Lerner’s tax withholding obligation with respect to the vesting shares and (ii) $100,000, with the remaining amount of the tax withholding obligation, if any, payable by Mr. Lerner.</p>        
Purchase price, per share         $ 5.00                
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                      
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    
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             418,889   418,889        
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             $ 926,869   $ 926,869        
Weighted average expected recognition period of unrecognized compensation expense                 1 year 2 months 12 days   1 year 9 months 18 days    
Stock-based compensation expense             185,374 $ 185,374 $ 370,746 370,748      
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             2,923,478 19,302 $ 2,923,478 19,302 $ 3,063,208    
Aggregate intrinsic value of stock options, exercisable             1,400,918 $ 10,960 1,400,918 10,960 1,175,244    
Aggregate fair value of options granted                 522,774 $ 956,760 $ 1,740,578 $ 682,740  
Total unrecognized compensation expense             $ 1,669,355   $ 1,669,355        
Weighted average expected recognition period of unrecognized compensation expense                 2 years 3 months 19 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                 The options vest between one, three and four years and have a term of ten years.   <p style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: justify">These options vest between one and four years and have a term of ten years.</p>    
Aggregate purchase of common stock, shares                 85,830   611,522    
Repurchased aggregate shares of common stock                     64,600    
Weighted average exercise price                     $ 3.75    
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                 $ 5.70        
2011 Plan [Member]                          
Stockholders' Equity (Textual)                          
Number of shares issued under plan                 181,604   181,604