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Note 5 - Long-term Debt (Details Textual) $ / shares in Units, $ in Thousands |  |  |  |  | 1 Months Ended | 6 Months Ended | 33 Months Ended |  |
--- | --- | --- | --- | --- | --- | --- | --- | --- | ---
Apr. 05, 2022 | Nov. 13, 2020 USD ($) | Nov. 30, 2019 USD ($) $ / shares shares | Nov. 13, 2019 USD ($) | Aug. 31, 2020 USD ($) $ / shares shares | Nov. 30, 2019 USD ($) $ / shares shares | Jun. 30, 2024 USD ($) $ / shares | Jun. 30, 2023 USD ($) | Nov. 13, 2024 | Dec. 31, 2023 USD ($) $ / shares | Mar. 31, 2020 USD ($)
Long-Term Debt, Gross |  |  |  |  |  |  | $ 4,690 |  |  |  |
Common Stock, Par or Stated Value Per Share (in dollars per share) | $ / shares |  |  |  |  |  |  | $ 0.001 |  |  | $ 0.001 |
Long-Term Debt, Current Maturities |  |  |  |  |  |  | $ 4,658 |  |  | $ 5,380 |
Interest Expense, Operating and Nonoperating |  |  |  |  |  |  | 460 | $ 538 |  |  |
Amortization of Debt Discount (Premium) |  |  |  |  |  |  | 48 | $ 61 |  |  |
Interest Payable, Current |  |  |  |  |  |  | 382 |  |  |  |
SWK Warrants [Member] |  |  |  |  |  |  |  |  |  |  |
Class of Warrant or Right, Number of Securities Called by Warrants or Rights (in shares) | shares |  |  | 51,239 |  | 18,141 | 51,239 |  |  |  |  |
Class of Warrant or Right, Exercise Price of Warrants or Rights (in dollars per share) | $ / shares |  |  | $ 5.86 |  | $ 6.62 | $ 5.86 |  |  |  |  |
Fair Value Adjustment of Warrants |  |  |  |  | $ 94 | $ 226 |  |  |  |  |
Common Stock, Par or Stated Value Per Share (in dollars per share) | $ / shares |  |  | $ 5.75 |  | $ 6.85 | $ 5.75 |  |  |  |  |
Warrants and Rights Outstanding, Term (Year) |  |  | 7 years |  | 7 years | 7 years |  |  |  |  |
SWK Warrants [Member] | Measurement Input, Price Volatility [Member] |  |  |  |  |  |  |  |  |  |  |
Warrants and Rights Outstanding, Measurement Input |  |  | 95 |  | 95 | 95 |  |  |  |  |
SWK Warrants [Member] | Measurement Input, Expected Dividend Rate [Member] |  |  |  |  |  |  |  |  |  |  |
Warrants and Rights Outstanding, Measurement Input |  |  | 0 |  | 0 | 0 |  |  |  |  |
SWK Warrants [Member] | Measurement Input, Risk Free Interest Rate [Member] |  |  |  |  |  |  |  |  |  |  |
Warrants and Rights Outstanding, Measurement Input |  |  | 1.8 |  | 0.4 | 1.8 |  |  |  |  |
SWK Credit Agreement [Member] | SWK Holdings Corporation [Member] |  |  |  |  |  |  |  |  |  |  |
Debt Instrument, Face Amount |  |  |  | $ 10,000 |  |  |  |  |  |  |
Proceeds from Issuance of Debt |  |  | $ 5,000 | 5,000 |  |  |  |  |  |  |
Debt Instrument, Covenant Agreement, Additional Amount |  |  |  | $ 5,000 |  |  |  |  |  |  |
Debt Instrument, Term (Year) |  |  |  | 5 years |  |  |  |  |  |  |
Line of Credit Facility, Unused Capacity, Commitment Fee Percentage |  | 2.00% |  |  |  |  |  |  |  |  |
Debt Instrument, Exit Fee as a Percentage of Outstanding Amounts |  | 5.00% |  |  |  |  |  |  |  |  |
SWK Credit Agreement [Member] | SWK Holdings Corporation [Member] | Scenario, Plan [Member] |  |  |  |  |  |  |  |  |  |  |
Debt Instrument, Redemption Price, Percentage of Principal Amount Redeemed |  |  |  |  |  |  |  |  | 5.50% |  |
SWK Credit Agreement [Member] | SWK Holdings Corporation [Member] | London Interbank Offered Rate (LIBOR) 1 [Member] |  |  |  |  |  |  |  |  |  |  |
Debt Instrument, Basis Spread on Variable Rate |  |  |  | 10.00% |  |  |  |  |  |  |
Debt Instrument, LIBOR Floor Rate |  |  |  | 2.00% |  |  |  |  |  |  |
The Amended Agreement [Member] | SWK Holdings Corporation [Member] |  |  |  |  |  |  |  |  |  |  |
Proceeds from Issuance of Debt |  |  |  |  | $ 2,000 |  |  |  |  |  |
Debt Instrument, Covenant Agreement, Additional Amount |  | $ 3,000 |  |  |  |  |  |  |  |  |
Long-Term Debt, Gross |  |  |  |  |  |  |  |  |  |  | $ 2,000
Debt Instrument, Basis Spread on Variable Rate | 8.00% |  |  |  |  |  |  |  |  |  |
Debt Instrument, LIBOR Floor Rate | 2.00% |  |  |  |  |  |  |  |  |  |
Long-Term Debt, Current Maturities |  |  |  |  |  |  | $ 4,658 |  |  |  |
The Amended Agreement [Member] | SWK Holdings Corporation [Member] | Secured Overnight Financing Rate (SOFR) Overnight Index Swap Rate [Member] |  |  |  |  |  |  |  |  |  |  |
Debt Instrument, Basis Spread on Variable Rate |  |  |  |  |  |  | 8.26% |  |  |  |
Debt Instrument SOFR Floor Rate |  |  |  |  |  |  | 5.00% |  |  |  |

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