Note 6 - Term Loans and Convertible Promissory Notes (Details Textual)
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1 Months Ended |
3 Months Ended |
6 Months Ended |
12 Months Ended |
41 Months Ended |
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May 31, 2019
USD ($)
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May 03, 2019
shares
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Sep. 27, 2018
USD ($)
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Mar. 29, 2018
USD ($)
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Nov. 01, 2016 |
Mar. 31, 2016
USD ($)
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Jan. 29, 2016
USD ($)
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Nov. 25, 2015 |
Nov. 24, 2015
USD ($)
shares
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Jun. 30, 2019
USD ($)
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May 31, 2019
USD ($)
shares
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Apr. 30, 2019
USD ($)
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Jan. 31, 2019
USD ($)
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Dec. 31, 2018
USD ($)
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Oct. 31, 2018
USD ($)
$ / shares
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Sep. 30, 2018
USD ($)
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Mar. 31, 2018
USD ($)
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Jan. 31, 2017
USD ($)
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Jun. 30, 2019
USD ($)
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Jun. 30, 2018
USD ($)
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Jun. 30, 2019
USD ($)
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Jun. 30, 2018
USD ($)
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Dec. 31, 2018
USD ($)
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Dec. 31, 2017
USD ($)
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Jun. 30, 2019
USD ($)
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Jun. 20, 2019
USD ($)
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Jan. 31, 2016
shares
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Nov. 30, 2015
shares
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| Loans Payable, Total |
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$ 4,200,000
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$ 4,200,000
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| Interest Expense, Total |
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$ 2,641,000
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$ 445,000
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644,000
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$ 515,000
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| Gain (Loss) on Extinguishment of Debt, Total |
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$ 11,000
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| Beneficial Conversion Feature, Conversion of Convertible Note |
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| Conversion of Notes into Series B Convertible Preferred Stock [Member] |
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| Debt Conversion, Original Debt, Amount |
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$ 3,200,000
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| Conversion of Notes into Series B Convertible Preferred Stock [Member] | Alliqua Biomedical, Inc. [Member] |
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| Debt Conversion, Converted Instrument, Shares Issued | shares |
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367,041
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367,041
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| Debt Instrument, Convertible, Beneficial Conversion Feature |
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$ 2,100,000
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| Beneficial Conversion Feature, Conversion of Convertible Note |
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2,100,000
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| Modified March 2019 and Modified December 2018 Notes [Member] |
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| Debt Instrument, Convertible, Preferred Stock Proceeds Trigger |
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$ 5,000,000
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5,000,000
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| Debt Instrument, Convertible, Common Stock Proceeds Trigger |
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$ 5,000,000
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| Debt Instrument, Convertible, Conversion Ratio |
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80
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| Debt Instrument, Conversion to Cash in Case of Change in Control |
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200.00%
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200.00%
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200.00%
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200.00%
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200.00%
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200.00%
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| Financing Threshold, Proceeds to Convert Notes to Equity |
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$ 5,000,000
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| Modified March 2018 and Modified September 2018 Notes [Member] |
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| Debt Instrument, Convertible, Conversion Ratio |
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80
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| Debt Instrument, Conversion to Cash in Case of Change in Control |
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200.00%
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200.00%
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| Gain (Loss) on Extinguishment of Debt, Total |
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11,000
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| Financing Threshold, Proceeds to Convert Notes to Equity |
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$ 5,000,000
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| Debt Instrument, Conversion to Cash in Case of Change in Control, Premium |
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100.00%
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100.00%
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| Voting Rights Transferred to be Considered a Change in Control |
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50.00%
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50.00%
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| Embedded Derivative, Fair Value of Embedded Derivative Liability |
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$ 0
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$ 0
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$ 0
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$ 0
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$ 0
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$ 0
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| Amortization of Debt Discount (Premium) |
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641,000
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| Release of Derivative Liabilities |
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$ 653,000
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| Modified March 2018 and Modified September 2018 Notes [Member] | Convert Notes And Accrued Interest To Series B Preferred Stock [Member] |
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| Debt Instrument, Convertible, Conversion Price | $ / shares |
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$ 0.3133
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| Convertible Promissory Note Issued On March292019 [Member] |
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| Probability of Qualified Financing Occurring |
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30.00%
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| Embedded Derivative, Fair Value of Embedded Derivative Liability |
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$ 496,000
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| Debt Instrument, Convertible, Remaining Discount Amortization Period |
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1 year
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| Debt Instrument, Unamortized Discount, Current |
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$ 496,000
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| Probability of Change in Control Occurring |
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15.00%
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| Convertible Promissory Note Issued September272018 [Member] |
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| Probability of Qualified Financing Occurring |
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40.00%
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| Embedded Derivative, Fair Value of Embedded Derivative Liability |
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$ 368,000
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| Debt Instrument, Convertible, Remaining Discount Amortization Period |
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1 year
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| Debt Instrument, Unamortized Discount, Current |
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$ 369,000
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| Probability of Change in Control Occurring |
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0.00%
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| Modified March 2018, September 2018, December 2018, and March 2019 Notes [Member] |
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| Probability of Qualified Financing Occurring |
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0.00%
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0.00%
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0.00%
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| Embedded Derivative, Fair Value of Embedded Derivative Liability |
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0
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0
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0
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0
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| Amortization of Debt Discount (Premium) |
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$ 223,000
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0
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| Probability of Change in Control Occurring |
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0.00%
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0.00%
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0.00%
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| Warrant to Purchase Series A Convertible Preferred Stock Under Oxford Loan Agreement [Member] |
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| Class of Warrant or Right, Number of Securities Called by Warrants or Rights | shares |
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11,829
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131,810
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197,715
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| Oxford Finance, LLC [Member] |
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| Debt Instrument, Face Amount |
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$ 10,000,000
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| Oxford Finance, LLC [Member] | Term Loan A [Member] |
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| Debt Instrument, Face Amount |
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3,000,000
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| Proceeds from Issuance of Debt |
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3,000,000
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| Debt Issuance Costs, Gross |
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141,000
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| Loans Payable, Total |
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1,400,000
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$ 2,300,000
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1,400,000
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1,400,000
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$ 2,300,000
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1,400,000
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| Debt Issuance Costs, Net, Total |
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141,000
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| Long-term Debt, Total |
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2,300,000
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2,300,000
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2,800,000
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| Oxford Finance, LLC [Member] | Term Loan B [Member] |
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| Debt Instrument, Face Amount |
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2,000,000
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| Proceeds from Issuance of Debt |
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$ 2,000,000
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2,000,000
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| Debt Issuance Costs, Gross |
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3,000
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3,000
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3,000
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3,000
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| Loans Payable, Total |
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$ 1,000,000
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1,500,000
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1,000,000
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1,000,000
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1,500,000
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1,000,000
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| Debt Issuance Costs, Net, Total |
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3,000
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| Long-term Debt, Total |
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$ 1,500,000
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1,500,000
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$ 1,900,000
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| Oxford Finance, LLC [Member] | Term Loan C [Member] |
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| Debt Instrument, Face Amount |
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$ 5,000,000
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| Proceeds from Issuance of Debt |
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$ 0
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| Debt Instrument, Unused Borrowing Capacity, Amount |
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5,000,000
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| Debt Instrument, Unused Borrowing Capacity, Expired |
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$ 5,000,000
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| Oxford Finance, LLC [Member] | Term Loans [Member] |
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| Debt Instrument, Interest Rate, Stated Percentage |
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7.06%
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| Debt Instrument, Prepayment Fee Before First Anniversary,Percentage |
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3.00%
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|
|
|
|
|
|
|
|
|
|
| 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%
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|