Annual report pursuant to Section 13 and 15(d)

Promissory Notes (Details)

v3.20.1
Promissory Notes (Details) - USD ($)
1 Months Ended 12 Months Ended
Apr. 04, 2015
Jan. 05, 2015
Jul. 26, 2018
Jul. 25, 2018
Feb. 28, 2018
Nov. 30, 2016
Feb. 29, 2016
Dec. 22, 2015
Sep. 18, 2015
Apr. 30, 2014
Dec. 31, 2019
Dec. 31, 2018
Dec. 31, 2016
Apr. 18, 2019
Jun. 15, 2018
Nov. 30, 2017
Dec. 31, 2011
Oct. 31, 2010
Short-term Debt [Line Items]                                    
Royalty Guarantees, Commitments, Amount                                   $ 900,000
Accrued Royalties                                 $ 900,000  
Debt Instrument Convertible Conversion Price Description                     The conversion price was the lesser of $4.50 or the highest price per common share sold in an initial public offering or paid by a buyer upon a change in control multiplied by 75%.              
Debt Instrument, Face Amount                               $ 6,500,000    
Repayments of Bank Debt $ 450,000                                  
Amortization of Debt Discount (Premium)                     $ 0 $ 0            
Repayments of Notes Payable     $ 200,000                              
Interest Payable                         $ 9,000          
Class of Warrant or Right, Number of Securities Called by Warrants or Rights                     3,222     255,102 208,350      
Debt Conversion, Converted Instrument, Shares Issued       99,594                            
Hallo Note [Member]                                    
Short-term Debt [Line Items]                                    
Debt Conversion, Original Debt, Amount                   $ 358,000                
Debt Instrument, Interest Rate, Stated Percentage                   18.00%                
Debt Instrument, Payment Terms                         In December 2016, following a principal reduction payment of $38,000, 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 $13,000, (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, would automatically convert to shares in connection with an initial public offering, 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                     $ 24,000              
Repayments of Notes Payable                       100,000            
Debt Conversion, Converted Instrument, Shares Issued       56,723                            
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   Sep. 01, 2017                      
Debt Instrument, Payment Terms                         In December 2016, following a principal reduction payment of $23,000, 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 $13,000, (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, would 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                     11,000              
Debt Instrument, Face Amount   $ 500,000                                
Debt Instrument, Periodic Payment, Principal             $ 225,000                      
Repayments of Notes Payable                       100,000            
Debt Conversion, Converted Instrument, Shares Issued       39,653                            
April 2015 Note [Member]                                    
Short-term Debt [Line Items]                                    
Debt Instrument, Maturity Date Jan. 31, 2017       Jun. 30, 2018                          
Debt Instrument, Payment Terms Interest accrued at a rate 5.0% per year during the first twelve months and increased to 10.0% per year through maturity.                                  
Debt Instrument Convertible Conversion Price Description           The conversion price was 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                       26,000            
Debt Instrument, Face Amount $ 450,000                                  
Debt Conversion, Converted Instrument, Shares Issued       155,373                            
September 2015 Note [Member]                                    
Short-term Debt [Line Items]                                    
Debt Instrument, Interest Rate, Stated Percentage                 10.00%                  
Debt Instrument, Maturity Date         Jun. 30, 2018 Sep. 01, 2017     Jan. 31, 2017                  
Debt Instrument Convertible Conversion Price Description           The conversion price was 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                     11,000              
Debt Instrument, Face Amount                 $ 200,000                  
Debt Conversion, Converted Instrument, Shares Issued       68,544                            
December 2015 Note [Member]                                    
Short-term Debt [Line Items]                                    
Debt Instrument, Interest Rate, Stated Percentage               12.00%                    
Debt Instrument, Maturity Date               Sep. 22, 2016         Sep. 01, 2017          
Debt Instrument, Face Amount               $ 353,000                    
Debt Conversion, Converted Instrument, Shares Issued       11,295                            
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 was 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                     8,000              
Debt Instrument, Face Amount             $ 250,000           $ 100,000          
Amortization of Debt Discount (Premium)                     $ 0 $ 0            
Debt Conversion, Converted Instrument, Shares Issued       49,815                            
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