v3.19.3
Note 6 - Term Loans and Convertible Promissory Notes (Details Textual)
1 Months Ended 3 Months Ended 6 Months Ended 12 Months Ended 41 Months Ended
May 31, 2019
USD ($)
May 03, 2019
shares
Sep. 27, 2018
USD ($)
Mar. 29, 2018
USD ($)
Nov. 01, 2016
Mar. 31, 2016
USD ($)
Jan. 29, 2016
USD ($)
Nov. 25, 2015
Nov. 24, 2015
USD ($)
shares
Jun. 30, 2019
USD ($)
May 31, 2019
USD ($)
shares
Apr. 30, 2019
USD ($)
Jan. 31, 2019
USD ($)
Dec. 31, 2018
USD ($)
Oct. 31, 2018
USD ($)
$ / shares
Sep. 30, 2018
USD ($)
Mar. 31, 2018
USD ($)
Jan. 31, 2017
USD ($)
Jun. 30, 2019
USD ($)
Jun. 30, 2018
USD ($)
Jun. 30, 2019
USD ($)
Jun. 30, 2018
USD ($)
Dec. 31, 2018
USD ($)
Dec. 31, 2017
USD ($)
Jun. 30, 2019
USD ($)
Jun. 20, 2019
USD ($)
Jan. 31, 2016
shares
Nov. 30, 2015
shares
Loans Payable, Total                           $ 4,200,000                 $ 4,200,000          
Interest Expense, Total                                         $ 2,641,000 $ 445,000 644,000 $ 515,000        
Gain (Loss) on Extinguishment of Debt, Total                             $ 11,000                          
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 | shares   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   5,000,000          
Debt Instrument, Convertible, Common Stock Proceeds Trigger                                             $ 5,000,000          
Debt Instrument, Convertible, Conversion Ratio                                             80          
Debt Instrument, Conversion to Cash in Case of Change in Control                   200.00%       200.00%         200.00%   200.00%   200.00%   200.00%      
Financing Threshold, Proceeds to Convert Notes to Equity                                             $ 5,000,000          
Modified March 2018 and Modified September 2018 Notes [Member]                                                        
Debt Instrument, Convertible, Conversion Ratio                                             80          
Debt Instrument, Conversion to Cash in Case of Change in Control                           200.00%                 200.00%          
Gain (Loss) on Extinguishment of Debt, Total                             11,000                          
Financing Threshold, Proceeds to Convert Notes to Equity                                             $ 5,000,000          
Debt Instrument, Conversion to Cash in Case of Change in Control, Premium                           100.00%                 100.00%          
Voting Rights Transferred to be Considered a Change in Control                           50.00%                 50.00%          
Embedded Derivative, Fair Value of Embedded Derivative Liability                   $ 0       $ 0         $ 0   $ 0   $ 0   $ 0      
Amortization of Debt Discount (Premium)                             641,000                          
Release of Derivative Liabilities                             $ 653,000                          
Modified March 2018 and Modified September 2018 Notes [Member] | Convert Notes And Accrued Interest To Series B Preferred Stock [Member]                                                        
Debt Instrument, Convertible, Conversion Price | $ / shares                             $ 0.3133                          
Convertible Promissory Note Issued On March292019 [Member]                                                        
Probability of Qualified Financing Occurring       30.00%                                                
Embedded Derivative, Fair Value of Embedded Derivative Liability       $ 496,000                                                
Debt Instrument, Convertible, Remaining Discount Amortization Period       1 year                                                
Debt Instrument, Unamortized Discount, Current       $ 496,000                                                
Probability of Change in Control Occurring       15.00%                                                
Convertible Promissory Note Issued September272018 [Member]                                                        
Probability of Qualified Financing Occurring     40.00%                                                  
Embedded Derivative, Fair Value of Embedded Derivative Liability     $ 368,000                                                  
Debt Instrument, Convertible, Remaining Discount Amortization Period     1 year                                                  
Debt Instrument, Unamortized Discount, Current     $ 369,000                                                  
Probability of Change in Control Occurring     0.00%                                                  
Modified March 2018, September 2018, December 2018, and March 2019 Notes [Member]                                                        
Probability of Qualified Financing Occurring                           0.00% 0.00%               0.00%          
Embedded Derivative, Fair Value of Embedded Derivative Liability                   0                 0   0       0      
Amortization of Debt Discount (Premium)                                             $ 223,000 0        
Probability of Change in Control Occurring                           0.00% 0.00%               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 | shares                 11,829                                   131,810 197,715
Oxford Finance, LLC [Member]                                                        
Debt Instrument, Face Amount                 $ 10,000,000                                      
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       $ 2,300,000         1,400,000   1,400,000   $ 2,300,000   1,400,000      
Debt Issuance Costs, Net, Total                 141,000                                      
Long-term Debt, Total                           2,300,000                 2,300,000 2,800,000        
Oxford Finance, LLC [Member] | Term Loan B [Member]                                                        
Debt Instrument, Face Amount                 2,000,000                                      
Proceeds from Issuance of Debt             $ 2,000,000                                   2,000,000      
Debt Issuance Costs, Gross                   3,000                 3,000   3,000       3,000      
Loans Payable, Total                   $ 1,000,000       1,500,000         1,000,000   1,000,000   1,500,000   1,000,000      
Debt Issuance Costs, Net, Total                 3,000                                      
Long-term Debt, Total                           $ 1,500,000                 1,500,000 $ 1,900,000        
Oxford Finance, LLC [Member] | Term Loan C [Member]                                                        
Debt Instrument, Face Amount                 $ 5,000,000                                      
Proceeds from Issuance of Debt           $ 0                                            
Debt Instrument, Unused Borrowing Capacity, Amount           5,000,000                                            
Debt Instrument, Unused Borrowing Capacity, Expired           $ 5,000,000                                            
Oxford Finance, LLC [Member] | Term Loans [Member]                                                        
Debt Instrument, Interest Rate, Stated Percentage                 7.06%                                      
Debt Instrument, Prepayment Fee Before First Anniversary,Percentage                 3.00%                                      
Debt Instrument, Prepayment Fee if Company is Acquired Within Six Months of Closing, Percentage                 1.00%                                      
Debt Instrument, Prepayment Fee Between First and Second Anniversary, Percentage                 2.00%                                      
Debt Instrument, Prepayment Fee After Second Anniversary, Percentage                 1.00%                                      
Debt Instrument, Periodic Payment Terms, Balloon Payment to be Paid, Percentage                 4.25%                                      
Long-term Debt, Principal and Interest Payments, Term         3 years                                              
Debt Instrument, Periodic Payment Terms, Increase (Decrease) in Balloon Payment to be Paid                                 $ 200,000 $ 100,000                    
Debt Instrument, Periodic Payment, Increase (Decrease) of Interest-Only Payments                   60 days             150 days 1 year                    
Debt Instrument, Periodic Payment, Increase (Decrease) of Periodic Payments                                 1 year 90 days 1 year 330 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                        
Debt Instrument, Increase of Periodic Payments Following Merger                               330 days                        
Debt Instrument, Increase of Periodic Payments Following the Closing of a Convertible Note                           300 days                            
Debt Instrument, Periodic Payment Terms, Increase (Decrease) in Balloon Payment to be Paid                           $ 35,000   $ 25,000             35,000          
Debt Instrument, Increase of Interest-Only Periodic Payments Upon Closing of Convertible Note                           30 days   30 days                        
Proceeds from Convertible Debt                           $ 1,500,000   $ 1,500,000                        
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% 0.19%                                      
Majority Investors [Member]                                                        
Debt Instrument, Face Amount                           $ 4,500,000                 $ 4,500,000          
Debt Instrument, Interest Rate, Stated Percentage                           8.00%                 8.00%          
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%