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Note 8 - Notes Payable and Convertible Notes Payable - Long-term Debt (Details) - USD ($) $ in Thousands | Sep. 30, 2024 | Dec. 31, 2023
--- | --- | ---
Future debt payments, net | $ 11,951 | $ 16,915
Less notes payable, current portion, net of unamortized discount and debt issuance costs | (10,875) | (14,627)
Notes payable, net of current portion | 1,668 | 1,894
Notes payable | 11,951 | 16,915
Notes Payable [Member] |  |
Unamortized premium (discount) and debt issuance costs | 592 | (394)
Less notes payable, current portion, net of unamortized discount and debt issuance costs | (10,875) | (14,627)
Notes payable, net of current portion | 1,668 | 1,894
Convertible Notes Payable [Member] |  |
Future debt payments, net | 5,312 | 10,308
Unamortized premium (discount) and debt issuance costs | (41) | (174)
Notes payable, net of current portion | 5,271 | 5,258
Notes payable | 5,312 | 10,308
Less convertible notes payable, current portion, net of unamortized discount and debt issuance costs | $ 0 | (4,876)
The 2019 Cecil Loan [Member] | Notes Payable [Member] |  |
Interest Rate | 8.00% |
Future debt payments, net | $ 144 | 138
Unamortized premium (discount) and debt issuance costs | 0 |
Notes payable | $ 144 | 138
The 2019 Maryland DHCD [Member] | Notes Payable [Member] |  |
Interest Rate | 8.00% |
Future debt payments, net | $ 724 | 694
Notes payable | $ 724 | 694
The 2022 Maryland DHCD [Member] | Notes Payable [Member] |  |
Interest Rate | 6.00% |
Future debt payments, net | $ 1,083 | 1,083
Notes payable | $ 1,083 | 1,083
Avenue [Member] | Notes Payable [Member] |  |
Interest Rate | 15.10% |
Future debt payments, net | $ 10,000 | 15,000
Notes payable | $ 10,000 | 15,000
Avenue [Member] | Convertible Notes Payable [Member] |  |
Interest Rate | 15.10% |
Future debt payments, net | $ 0 | 5,000
Notes payable | 0 | 5,000
The 2022 DHCD Loan [Member] | Notes Payable [Member] |  |
Future debt payments, net | 5,271 |
Unamortized premium (discount) and debt issuance costs | (41) |
Notes payable | $ 5,271 |
The 2022 DHCD Loan [Member] | Convertible Notes Payable [Member] |  |
Interest Rate | 6.00% |
Future debt payments, net | $ 5,312 | 5,308
Notes payable | $ 5,312 | $ 5,308

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