v3.19.3
Note 6 - Term Loans and Convertible Promissory Notes (Details Textual) - USD ($)
1 Months Ended 3 Months Ended 6 Months Ended 41 Months Ended
May 31, 2019
May 03, 2019
Nov. 24, 2015
Jun. 30, 2019
May 31, 2019
Apr. 30, 2019
Jan. 31, 2019
Sep. 30, 2018
Jun. 30, 2019
Jun. 30, 2018
Jun. 30, 2019
Jun. 30, 2018
Jun. 30, 2019
Jun. 20, 2019
Dec. 31, 2018
Oct. 31, 2018
Beneficial Conversion Feature, Conversion of Convertible Note                              
Conversion of Notes into Series B Convertible Preferred Stock [Member]                                
Debt Conversion, Original Debt, Amount         $ 3,200,000                      
Conversion of Notes into Series B Convertible Preferred Stock [Member] | Alliqua Biomedical, Inc. [Member]                                
Debt Conversion, Converted Instrument, Shares Issued   367,041     367,041                      
Debt Instrument, Convertible, Beneficial Conversion Feature                 $ 2,100,000              
Beneficial Conversion Feature, Conversion of Convertible Note                     $ 2,100,000          
Modified March 2019 and Modified December 2018 Notes [Member]                                
Debt Instrument, Convertible, Preferred Stock Proceeds Trigger                     $ 5,000,000          
Debt Instrument, Conversion to Cash in Case of Change in Control       200.00%         200.00%   200.00%   200.00%      
Modified March 2018, September 2018, December 2018, and March 2019 Notes [Member]                                
Probability of Qualified Financing Occurring                               0.00%
Embedded Derivative, Fair Value of Embedded Derivative Liability       $ 0         $ 0   $ 0   $ 0      
Probability of Change in Control Occurring                               0.00%
Warrant to Purchase Series A Convertible Preferred Stock Under Oxford Loan Agreement [Member]                                
Class of Warrant or Right, Number of Securities Called by Warrants or Rights     11,829                          
Oxford Finance, LLC [Member] | Term Loan A [Member]                                
Debt Instrument, Face Amount     $ 3,000,000                          
Proceeds from Issuance of Debt     3,000,000                          
Debt Issuance Costs, Gross     141,000                          
Loans Payable, Total       1,400,000         1,400,000   1,400,000   1,400,000   $ 2,300,000  
Oxford Finance, LLC [Member] | Term Loan B [Member]                                
Debt Instrument, Face Amount     $ 2,000,000                          
Proceeds from Issuance of Debt                         2,000,000      
Debt Issuance Costs, Gross       3,000         3,000   3,000   3,000      
Loans Payable, Total       $ 1,000,000         1,000,000   1,000,000   1,000,000   $ 1,500,000  
Oxford Finance, LLC [Member] | Term Loans [Member]                                
Debt Instrument, Interest Rate, Stated Percentage     7.06%                          
Debt Instrument, Periodic Payment, Increase (Decrease) of Interest-Only Payments       60 days                        
Gain (Loss) Debt Modification       $ 0 $ 0   $ 0                  
Interest Expense, Debt, Total                 157,000 $ 171,000 336,000 $ 309,000        
Oxford Finance, LLC [Member] | Term Loans [Member] | Domain [Member]                                
Debt Instrument, Increase of Periodic Payments Upon Delivery of Executed Term Sheet             240 days                  
Proceeds from Noncontrolling Interests             $ 20,000,000                  
Restricted Cash, Total       $ 200,000         $ 200,000   $ 200,000   $ 200,000      
Debt Instrument, Periodic Payment Terms, Increase (Decrease) in Balloon Payment to be Paid             $ 50,000             $ 20,000    
Oxford Finance, LLC [Member] | Term Loans [Member] | Convertible Promissory Note of 1.5 Million [Member]                                
Debt Instrument, Increase of Interest-Only Periodic Payments Upon Entering Into a Merger               60 days                
Oxford Finance, LLC [Member] | Term Loans [Member] | London Interbank Offered Rate (LIBOR) Swap Rate [Member] | Minimum [Member]                                
Debt Instrument, Basis Spread on Variable Rate     0.19%                          
Majority Investors [Member] | First Note to Fund the Company's Operations [Member]                                
Proceeds from Notes Payable, Total           $ 2,000,000                    
Majority Investors [Member] | Second Note to Fund the Company's Operations [Member]                                
Proceeds from Notes Payable, Total $ 500,000       $ 500,000                      
Majority Investors [Member] | Notes to Fund the Company's Operations [Member]                                
Debt Instrument, Interest Rate, Stated Percentage 8.00%       8.00%