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Note 11 - Convertible Note Arrangement (Details Textual) |  |  |  |  | 12 Months Ended |  |  |  |  |  |
--- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | ---
Nov. 27, 2024 CAD ($) $ / shares shares | Nov. 27, 2024 USD ($) $ / shares shares | Mar. 21, 2024 CAD ($) $ / shares shares | Mar. 21, 2024 USD ($) shares | Feb. 27, 2024 $ / shares | Feb. 13, 2023 CAD ($) $ / shares shares | Feb. 13, 2023 USD ($) | Dec. 31, 2024 CAD ($) $ / shares | Dec. 31, 2023 CAD ($) | Dec. 31, 2022 CAD ($) | Dec. 31, 2022 USD ($) | Dec. 31, 2024 USD ($) $ / shares | Nov. 27, 2024 USD ($) $ / shares shares | Feb. 13, 2024 USD ($) | Jan. 31, 2024 $ / shares | Dec. 31, 2023 $ / shares | Feb. 13, 2023 USD ($) $ / shares shares
Statement Line Items [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Repayments of borrowings, classified as financing activities |  |  |  |  |  |  |  | $ (0) | $ 48,036,000 | $ (0) |  |  |  |  |  |  |
Interest paid, classified as financing activities |  |  |  |  |  |  |  | (0) | 1,656,000 | 3,183,000 |  |  |  |  |  |  |
Payments for debt issue costs | $ 903,000 |  |  |  |  |  |  | (0) | 2,100,000 | (0) |  |  |  |  |  |  |
Increase (decrease) through conversion of interest on convertible instruments, equity |  |  |  |  |  |  |  | 543,000 | 795,000 |  |  |  |  |  |  |  |
Proceeds from issuing shares |  |  |  |  |  |  |  | 0 | 0 | 3,701,000 |  |  |  |  |  |  |
Shares issued, price per share (in dollars per share) | $ / shares |  |  |  |  | $ 3.24 |  |  |  |  |  |  |  |  |  |  |  |
Capital reserve [member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Statement Line Items [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Increase (decrease) through conversion of interest on convertible instruments, equity |  |  |  |  |  |  |  | $ 0 | 0 |  |  |  |  |  |  |  |
Debt issue related cost | $ 180,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Ordinary shares [member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Statement Line Items [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Increase (decrease) in number of shares outstanding, issue of equity (in shares) | shares | 460,405 | 460,405 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Proceeds from issuing shares | $ 1,401,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Shares issued, price per share (in dollars per share) | $ / shares |  | $ 2.172 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
The 2028 warrants [member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Statement Line Items [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Class of warrants or rights, number of securities called by warrants or rights 1 (in shares) | shares |  |  |  |  |  | 2,699,014 |  |  |  |  |  |  |  |  |  |  | 2,699,014
Warrants and rights outstanding, term 1 (Year) |  |  |  |  |  | 5 years | 5 years |  |  |  |  |  |  |  |  |  |
Class of warrant or right, exercise price (in dollars per share) | (per share) | $ 3.4 |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 4 |  | $ 9.92
Class of warrant or right, acceleration clause, period (Day) | 30 days | 30 days |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Class of warrant or right, acceleration clause, stock price trigger (in CAD per share) | $ / shares | $ 3.4 |  |  |  |  |  |  | $ 4.8 |  |  |  |  |  |  |  |  |
Class of warrant or right, threshold percentage of stock price trigger | 20.00% | 20.00% |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Class of warrant or right, acceleration clause, threshold consecutive trading days | 10 |  |  |  |  |  |  |  |  |  |  |  | 10 |  |  |  |
Class of warrant or right, acceleration clause, period before reduced term after trigger (Day) | 7 days | 7 days |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
The 2027 warrants [member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Statement Line Items [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Class of warrants or rights, number of securities called by warrants or rights 1 (in shares) | shares | 1,136,364 |  |  |  |  |  |  |  |  |  |  |  | 1,136,364 |  |  |  |
Warrants and rights outstanding, term 1 (Year) | 2 years | 2 years |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Class of warrant or right, exercise price (in dollars per share) | $ / shares | $ 4 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Payments for debt issue costs | $ 89,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Share price (in CAD per share) | $ / shares | $ 2.72 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
The 2027 warrants [member] | Interest rate, measurement input [member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Statement Line Items [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Significant unobservable input, liabilities | 0.032 |  |  |  |  |  |  |  |  |  |  |  | 0.032 |  |  |  |
The 2027 warrants [member] | Historical volatility for shares, measurement input [member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Statement Line Items [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Significant unobservable input, liabilities | 0.70 |  |  |  |  |  |  |  |  |  |  |  | 0.70 |  |  |  |
The 2027 warrants [member] | Expected dividends, measurement input [member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Statement Line Items [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Significant unobservable input, liabilities | 0 |  |  |  |  |  |  |  |  |  |  |  | 0 |  |  |  |
Warrants issued on August 23, 2023 [member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Statement Line Items [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Class of warrant or right, exercise price (in dollars per share) | $ / shares | $ 6.84 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
The 2028 notes [member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Statement Line Items [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Notional amount |  |  |  |  |  | $ 68,049,000 |  |  |  |  |  |  |  |  |  |  | $ 51,000,000
Borrowings, interest rate |  |  | 8.99% | 8.99% |  | 8.99% |  |  |  |  |  |  |  |  |  |  | 8.99%
Borrowings, convertible, number of equity instruments upon conversion (in shares) | shares |  |  |  |  |  | 100,804 |  |  |  |  |  |  |  |  |  |  | 100,804
Borrowings, convertible, principal amount denomination for conversion |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 1,000
Borrowings, convertible, conversion price (in dollars per share) | $ / shares |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 9.92
Borrowing, interest rate if green bond designation acheived |  |  |  |  |  | 8.75% |  |  |  |  |  |  |  |  |  |  | 8.75%
Borrowings, interest, make-whole payments, period (Year) |  |  |  |  |  | 2 years | 2 years |  |  |  |  |  |  |  |  |  |
Borrowings, covenant, percentage of royalty on operating revenue for first twelve months |  |  |  |  |  | 0.60% | 0.60% |  |  |  |  |  |  |  |  |  |
Borrowings, covenant, percentage of royalty on revenue from refinery from second to fifth years |  |  |  |  |  | 0.60% | 0.60% |  |  |  |  |  |  |  |  |  |
Royalty payments, cumulative cap |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 6,000,000
Interest paid, classified as financing activities |  |  |  |  |  | $ 1,656,000 |  |  |  |  |  |  |  |  |  |  |
Net proceeds from borrowings |  |  |  |  |  | 20,013,000 |  |  |  |  |  |  |  |  |  |  |
Payments for debt issue costs |  |  |  |  |  | $ 2,340,000 |  |  |  |  |  |  |  |  |  |  |
Share price (in CAD per share) | (per share) |  |  |  |  |  | $ 8.92 |  |  |  |  |  | $ 1.807 |  |  |  | $ 1.46 |
Increase (decrease) through conversion of interest on convertible instruments, equity |  |  | $ 543 | $ 401 |  |  |  |  |  |  |  |  |  |  |  |  |
Increase (decrease) in number of shares outstanding, conversion of interest on convertible instruments (in shares) | shares |  |  | 210,760 | 210,760 |  |  |  |  |  |  |  |  |  |  |  |  |
Borrowings, covenant, minimum liquidity balance |  |  |  |  |  |  |  |  |  |  |  | $ 2,000 |  | $ 2,000,000 |  |  |
Proceeds from borrowings, classified as financing activities | $ 9,157,000 | $ 6,521,000 |  |  |  |  |  | $ 0 | 68,049,000 | 0 |  |  |  |  |  |  |
Interest payable |  |  |  |  |  |  |  | $ 2,799,000 | $ 5,730,000 |  |  |  |  |  |  |  |
Shares issued, price per share (in dollars per share) | $ / shares |  |  | $ 2.5756 |  |  |  |  |  |  |  |  |  |  |  |  |  |
The 2028 notes [member] | Interest rate, measurement input [member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Statement Line Items [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Significant unobservable input, liabilities |  |  |  |  |  | 0.0396 |  | 0.04393 | 0.0385 |  |  | 0.04393 |  |  |  |  | 0.0396
The 2028 notes [member] | Historical volatility for shares, measurement input [member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Statement Line Items [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Significant unobservable input, liabilities |  |  |  |  |  | 0.56 |  | 0.63 | 0.62 |  |  | 0.63 |  |  |  |  | 0.56
The 2028 notes [member] | Credit spread, measurement input [member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Statement Line Items [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Significant unobservable input, liabilities |  |  |  |  |  | 0.289 |  | 0.263 | 0.278 |  |  | 0.263 |  |  |  |  | 0.289
The 2026 notes [member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Statement Line Items [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Borrowings, interest rate |  |  |  |  |  | 6.95% |  |  |  |  |  |  |  |  |  |  | 6.95%
Repayments of borrowings, classified as financing activities |  |  |  |  |  | $ 48,035,000 | $ 36,000,000 |  |  |  |  |  |  |  |  |  |
Interest paid, classified as financing activities |  |  |  |  |  | 68,049,000 | $ 51,000,000 |  |  |  | $ 485,000 |  |  |  |  |  |
Gain (loss) on extinguishment of debt 1 |  |  |  |  |  | $ 18,727,000 |  |  |  |  |  |  |  |  |  |  |
The 2027 notes [member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Statement Line Items [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Notional amount | $ 5,615,000 |  |  |  |  |  |  |  |  |  |  |  | $ 4,000,000 |  |  |  |
Borrowings, interest rate | 12.00% |  |  |  |  |  |  |  |  |  |  |  | 12.00% |  |  |  |
Borrowings, convertible, number of equity instruments upon conversion (in shares) | shares | 240,211 |  |  |  |  |  |  |  |  |  |  |  | 240,211 |  |  |  |
Borrowings, convertible, principal amount denomination for conversion |  |  |  |  |  |  |  |  |  |  |  |  | $ 1,000 |  |  |  |
Borrowings, convertible, conversion price (in dollars per share) | $ / shares |  |  |  |  |  |  |  |  |  |  |  |  | $ 2.4978 |  |  |  |
Payments for debt issue costs | $ 633,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Share price (in CAD per share) | $ / shares |  |  |  |  |  |  |  |  |  |  |  | $ 1.807 | $ 1.938 |  |  |  |
Borrowings, covenant, minimum liquidity balance |  |  |  |  |  |  |  |  |  |  |  |  | $ 2,000,000 |  |  |  |
Proceeds from borrowings, classified as financing activities |  | 4,000,000 |  |  |  |  |  | $ 5,498,000 | $ 0 | $ 0 |  |  |  |  |  |  |
Proceeds from issuing shares |  | $ 5,000,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
The 2027 notes [member] | Ordinary shares [member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Statement Line Items [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Increase (decrease) in number of shares outstanding, issue of equity (in shares) | shares | 443,225 | 443,225 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
The 2027 notes [member] | Interest rate, measurement input [member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Statement Line Items [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Significant unobservable input, liabilities | 0.04268 |  |  |  |  |  |  | 0.0439 |  |  |  | 0.0439 | 0.04268 |  |  |  |
The 2027 notes [member] | Historical volatility for shares, measurement input [member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Statement Line Items [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Significant unobservable input, liabilities | 0.63 |  |  |  |  |  |  | 0.63 | 0 |  |  | 0.63 | 0.63 |  |  |  |
The 2027 notes [member] | Credit spread, measurement input [member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Statement Line Items [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Significant unobservable input, liabilities | 0.26 |  |  |  |  |  |  | 0.263 | 0 |  |  | 0.263 | 0.26 |  |  |  |

X
- Definition The interest rate on the borrowing if green bond designation is achieved. + References No definition available. + Details
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- Definition Per share or per unit price of conversion of the borrowing. + References No definition available. + Details
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- Definition The number of equity instrument to be issued upon conversion of the borrowing. + References No definition available. + Details
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- Definition The amount of principal used for denomination of conversion of the borrowing. + References No definition available. + Details
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- Definition Amount of minimum liquidity balance required under the covenant of the borrowing. + References No definition available. + Details
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- Definition Percentage of royalty on operating revenue for the first twelve months under the covenant of the borrowing. + References No definition available. + Details
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- Definition Percentage of revenue form the refinery from the second to fifth years as covenant of the borrowing. + References No definition available. + Details
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- Definition The period for interest make-whole payments on the borrowing. + References No definition available. + Details
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- Definition The period after the trigger and before the reduced term starts for acceleration clause on warrant or right. + References No definition available. + Details
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- Definition Price of the entity's common stock which would be required to be attained for the acceleration clause of the warrant or right. + References No definition available. + Details
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- Definition Threshold period of specified consecutive trading days within which common stock price to conversion price of warrant or right must exceed threshold percentage for specified number of trading days to trigger acceleration feature. + References No definition available. + Details
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- Definition Exercise price per share or per unit of warrants or rights outstanding. + References No definition available. + Details
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- Definition Minimum percentage of common stock price to conversion price of warrant or right to determine eligibility of conversion. + References No definition available. + Details
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- Definition Number of securities into which the class of warrant or right may be converted. For example, but not limited to, 500,000 warrants may be converted into 1,000,000 shares. + References No definition available. + Details
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- Definition This member represents debt issue related costs. + References No definition available. + Details
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- Definition The increase (decrease) in the number of shares outstanding from conversion of interest on convertible instruments. [Refer: Number of shares outstanding] + References No definition available. + Details
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- Definition Ceiling on the total amount of royalties that the party making the payments has to pay out over the course of the agreement. Once the cap is reached, the obligation to make royalty payments ends, regardless of any further revenue generated from the assets or products covered by the agreement. + References No definition available. + Details
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- Definition Period between issuance and expiration of outstanding warrant and right embodying unconditional obligation requiring redemption by transferring asset at specified or determinable date or upon event certain to occur, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days. + References No definition available. + Details
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