Quarterly report pursuant to Section 13 or 15(d)

Promissory Notes (Details Textual)

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Promissory Notes (Details Textual) - USD ($)
1 Months Ended 2 Months Ended 3 Months Ended 6 Months Ended 12 Months Ended
Jul. 15, 2018
Apr. 04, 2015
Jan. 05, 2015
Feb. 28, 2018
Nov. 30, 2016
Feb. 29, 2016
Dec. 22, 2015
Sep. 18, 2015
Apr. 30, 2014
Oct. 31, 2010
Jun. 29, 2018
Jun. 30, 2018
Jun. 30, 2017
Jun. 30, 2018
Jun. 30, 2017
Dec. 31, 2017
Dec. 31, 2016
Jun. 28, 2018
Jun. 15, 2018
Dec. 31, 2011
Short-term Debt [Line Items]                                        
Royalty Guarantees, Commitments, Amount                   $ 900,000                    
Asset Purchase Agreement Term                   3 years                    
Accrued Royalties                                       $ 900,000
Debt Conversion, Original Debt, Amount                           $ 2,250,000            
Interest Expense, Debt                       $ 450,000                
Convertible Notes Payable, Current                       17,659,868   17,659,868   $ 5,241,361 [1]        
Debt Instrument, Face Amount                     $ 2,812,500 26,771,282   26,771,282   20,071,824        
Repayments of Bank Debt   $ 450,000                                    
Reimbursement Expenses $ 50,000                                      
Interest Payable                                 $ 8,863      
Debt InstrumentOriginaL Issued Discount                     15.00%             20.00%    
Proceeds from Notes Payable                     $ 2,200,000     2,002,000 $ 2,451,558          
Debt Default, Short-term Debt, Amount                       $ 26,400,000   $ 26,400,000         $ 1,725,000  
Warrant [Member]                                        
Short-term Debt [Line Items]                                        
Class of Warrant or Right, Number of Securities Called by Warrants or Rights                       1,174,447 233,111 1,174,447 233,111          
Hallo Note [Member]                                        
Short-term Debt [Line Items]                                        
Debt Conversion, Original Debt, Amount                 $ 357,500                      
Debt Instrument, Interest Rate, Stated Percentage                 18.00%                      
Debt Instrument, Maturity Date       Jun. 30, 2018         Dec. 31, 2015                      
Debt Instrument, Payment Terms                                 In December 2016, following a principal reduction payment of $37,500, the Hallo Note was amended as follows: (i) the maturity date was changed to “five days following an IPO”, (ii) following a debt or equity financing in excess of $4,000,000, the Company would make a principal reduction payment of $12,500, (iii) on the maturity date, the Company would make a principal reduction payment of $95,000, and (iv) the remaining unpaid principal and accrued interest, after the payments described in (ii) and (iii) above, shall automatically convert to shares in connection with the initial public offering (“IPO”), at a conversion price equal to the average of the highest and the lowest price of the related stock that the Company sold on the maturity date.      
Debt Instrument Convertible Conversion Price Description       the Hallo note holders agreed to amend the conversion price language in their respective convertible notes to be the lower of (i) $4.50 or (ii) the initial price of the Company’s common stock sold pursuant to an IPO                                
Interest Expense, Debt                         $ 10,110 $ 20,136 $ 20,289          
Repayments of Notes Payable                           0 13,750          
Convertible Notes Payable, Current                       $ 218,750   218,750   218,750        
January 2015 Note [Member]                                        
Short-term Debt [Line Items]                                        
Debt Instrument, Interest Rate, Stated Percentage     15.00%     10.00%                            
Debt Instrument, Maturity Date     Jul. 05, 2015 Jun. 30, 2018   Jun. 01, 2017                            
Debt Instrument, Payment Terms                                 In December 2016, following a principal reduction payment of $23,414, the January 2015 Note was amended as follows: (i) the maturity date was changed to “five days following an IPO”, (ii) following a debt or equity financing in excess of $4,000,000 prior to an IPO, the Company would make a principal reduction payment of $12,500, (iii) on the maturity date, the Company would make a principal reduction payment of $95,000, and (iv) the remaining unpaid principal and accrued interest, after the payments described in (ii) and (iii) above, shall automatically convert to shares in connection with the IPO, at a conversion price equal to the average of the highest and the lowest price of the related stock that the Company sold on the maturity date.      
Debt Instrument Convertible Conversion Price Description       the January 2015 Note holders agreed to amend the conversion price language in their respective convertible notes to be the lower of (i) $4.50 or (ii) the initial price of the Company’s common stock sold pursuant to an IPO                                
Interest Expense, Debt                       4,553 6,280 9,046 12,518          
Repayments of Notes Payable                           0 13,750          
Convertible Notes Payable, Current                       274,340   274,340   265,331        
Debt Instrument, Face Amount     $ 500,000                                  
Debt Instrument, Periodic Payment, Principal           $ 225,000                            
April 2015 Note [Member]                                        
Short-term Debt [Line Items]                                        
Debt Instrument, Maturity Date   Jan. 31, 2017   Jun. 30, 2018 Jun. 01, 2017                              
Debt Instrument, Payment Terms   Interest accrues at a rate 5.0% per year during the first twelve months and increases to 10.0% per year through maturity.                                    
Debt Instrument Convertible Conversion Price Description         The conversion price is the lesser of $4.50 or the highest price per common share sold in the IPO or paid by a buyer upon a change in control multiplied by 75%.                              
Interest Expense, Debt                       11,219 11,219 22,315 22,315          
Convertible Notes Payable, Current                       450,000   450,000   450,000        
Debt Instrument, Face Amount   $ 450,000                                    
September 2015 Note [Member]                                        
Short-term Debt [Line Items]                                        
Debt Instrument, Interest Rate, Stated Percentage               10.00%                        
Debt Instrument, Maturity Date       Jun. 30, 2018 Jun. 01, 2017     Jan. 31, 2017                        
Debt Instrument Convertible Conversion Price Description         The conversion price is the lesser of $4.50 or the highest price per common share sold in the IPO or paid by a buyer upon a change in control multiplied by 75%                              
Interest Expense, Debt                       4,986 4,986 9,918 8,685          
Convertible Notes Payable, Current                       200,000   200,000   200,000        
Debt Instrument, Face Amount               $ 200,000                        
December 2015 Note [Member]                                        
Short-term Debt [Line Items]                                        
Debt Instrument, Interest Rate, Stated Percentage             12.00%                          
Debt Instrument, Maturity Date             Sep. 22, 2016                   Jun. 01, 2017      
Debt Instrument Convertible Conversion Price Description                                 The conversion price is the lesser of $4.50 or the highest price per common share sold in the IPO or paid by a buyer upon a change in control multiplied by 75%.      
Interest Expense, Debt                         5,511   5,511          
Convertible Notes Payable, Current                               0        
Debt Instrument, Face Amount             $ 353,475                          
Debt Instrument, Periodic Payment, Principal                               277,725 $ 75,750      
February 2016 Notes [Member]                                        
Short-term Debt [Line Items]                                        
Debt Instrument, Interest Rate, Stated Percentage           10.00%                            
Debt Instrument, Maturity Date           Feb. 01, 2017                            
Debt Instrument Convertible Conversion Price Description           The conversion price is the lesser of $4.50 or the highest price per common share sold in the IPO or paid by a buyer upon a change in control multiplied by 75%.                            
Interest Expense, Debt                       3,740 6,208   9,906          
Convertible Notes Payable, Current                       150,000   150,000   $ 150,000        
Debt Instrument, Face Amount           $ 250,000                     $ 100,000      
Amortization of Debt Discount (Premium)                       $ 0 $ 0 $ 0 $ 29,417          
February 2016 Notes [Member] | Warrant [Member]                                        
Short-term Debt [Line Items]                                        
Class of Warrant or Right, Number of Securities Called by Warrants or Rights                       111,112   111,112            
Series G Notes [Member]                                        
Short-term Debt [Line Items]                                        
Interest Expense, Debt                           $ 450,000            
Amortization of Debt Discount (Premium)                       $ 197,250   $ 197,250            
Series G Notes [Member] | Lender [Member]                                        
Short-term Debt [Line Items]                                        
Class of Warrant or Right, Number of Securities Called by Warrants or Rights                                   208,350    
Series G Notes [Member] | Investment Bankers [Member]                                        
Short-term Debt [Line Items]                                        
Class of Warrant or Right, Number of Securities Called by Warrants or Rights                       58,334   58,334            
Series G Notes [Member] | Warrant [Member]                                        
Short-term Debt [Line Items]                                        
Class of Warrant or Right, Number of Securities Called by Warrants or Rights                                     208,350  
[1] The condensed consolidated balance sheet as of December 31, 2017 was derived from the audited consolidated balance sheet as of that date.