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Note 13 - Shareholder's Equity (Details Textual) |  |  |  |  |  |  |  |  |  | 12 Months Ended
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Dec. 31, 2024 shares | Nov. 27, 2024 CAD ($) shares | Nov. 27, 2024 USD ($) $ / shares shares | Sep. 09, 2024 CAD ($) | Mar. 21, 2024 USD ($) $ / shares shares | Feb. 27, 2024 CAD ($) $ / shares shares | Feb. 12, 2024 | Aug. 11, 2023 CAD ($) $ / shares | Feb. 13, 2023 CAD ($) | Feb. 13, 2023 USD ($) | Nov. 15, 2022 CAD ($) | Nov. 15, 2022 USD ($) $ / shares | Dec. 31, 2024 CAD ($) shares | Dec. 31, 2023 CAD ($) $ / shares shares | Dec. 31, 2023 USD ($) $ / shares shares | Dec. 31, 2022 CAD ($) $ / shares shares | Dec. 31, 2022 USD ($) shares
Statement Line Items [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Shareholders' equity, stock split, conversion ratio | 4 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Wages and salaries |  |  |  |  |  | $ 134 |  |  |  |  |  |  | $ 4,318,000 | $ 3,775,000 |  | $ 3,913,000 |
Increase (decrease) in number of shares outstanding, performance based incentive payment (in shares) | shares |  |  |  |  |  | 41,314 |  |  |  |  |  |  |  |  |  |  |
Shares issued, price per share (in dollars per share) | $ / shares |  |  |  |  |  | $ 3.24 |  |  |  |  |  |  |  |  |  |  |
Proceeds from issuing shares |  |  |  |  |  |  |  |  |  |  |  |  | 0 | 0 |  | 3,701,000 |
Payments for share issue costs |  |  |  |  |  |  |  |  |  |  |  |  | (0) | 284,000 |  | (0) |
Share issue related cost |  |  |  |  |  |  |  |  |  |  |  |  | 0 | $ 0 |  | 92,000 |
Number of other equity instruments exercised or vested in share-based payment arrangement |  |  |  |  |  |  |  |  |  |  |  |  |  | 0 | 0 |  |
Interest paid, classified as financing activities |  |  |  |  |  |  |  |  |  |  |  |  | (0) | $ 1,656,000 |  | 3,183,000 |
Increase (decrease) through conversion of convertible instruments, equity |  |  |  |  |  |  |  |  |  |  |  |  |  | 998,000 |  | 4,835,000 |
Increase (decrease) through conversion of transaction costs on convertible instruments, equity |  |  |  |  |  |  |  |  |  |  |  |  |  | 240,000 |  |  |
Proceeds from issue of ordinary shares |  |  |  |  |  |  |  |  |  |  |  |  | 1,221,000 | 19,960,000 |  | $ 3,121,000 |
Increase (decrease) in number of shares outstanding, exercise of share based payment arrangements (in shares) | shares |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 89,039 | 89,039
Proceeds from exercise of warrants |  |  |  |  |  |  |  |  |  |  |  |  | 0 | 0 |  | $ 807,000 |
Proceeds from exercise of options |  |  |  |  |  |  |  |  |  |  |  |  | $ 0 | $ 0 |  | $ 140,000 |
Weighted average exercise price of share options exercised in share-based payment arrangement (in CAD per share) | $ / shares |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 10.08 |
Easement on lands adjacent to refinery facilities [member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Statement Line Items [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Shares issued, price per share (in dollars per share) | $ / shares |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 3 |  |  |
Increase (decrease) in number of shares outstanding, settlement of easement (in shares) | shares |  |  |  |  |  |  |  |  |  |  |  |  |  | 2,500 | 2,500 |  |
The 2027 warrants [member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Statement Line Items [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Number of other equity instruments granted in share-based payment arrangement |  | 1,136,364 | 1,136,364 |  |  |  |  |  |  |  |  |  |  |  |  |  |
Weighted average fair value at measurement date, other equity instruments granted |  | $ 1,221,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Payments for share issue costs |  | 694,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Share issue related cost |  | $ 89,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Deferred share units [member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Statement Line Items [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Number of other equity instruments granted in share-based payment arrangement |  |  |  | 33,891 |  |  |  |  |  |  |  |  | 33,891 | 104,545 | 104,545 | 17,868 | 17,868
Weighted average fair value at measurement date, other equity instruments granted |  |  |  | $ 96,000 |  |  |  |  |  |  |  |  |  |  |  |  |
Number of other equity instruments exercised or vested in share-based payment arrangement |  |  |  |  |  |  |  |  |  |  |  |  | 18,568 | (0) | (0) | 3,123 | 3,123
Restricted share units [member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Statement Line Items [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Number of other equity instruments granted in share-based payment arrangement |  |  |  |  |  |  | 26,235 |  |  |  |  |  | 26,235 | 124,968 | 124,968 | 12,722 | 12,722
Number of other equity instruments exercised or vested in share-based payment arrangement |  |  |  |  |  |  |  |  |  |  |  |  | 130,414 | 764 | 764 | 7,277 | 7,277
Performance share units [member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Statement Line Items [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Number of other equity instruments granted in share-based payment arrangement |  |  |  |  |  |  |  |  |  |  |  |  | 0 | 0 | 0 | 4,514 | 4,514
Number of other equity instruments exercised or vested in share-based payment arrangement |  |  |  |  |  |  |  |  |  |  |  |  | 2,083 | (0) | (0) | 7,118 | 7,118
Equity instruments in private placement [member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Statement Line Items [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Proceeds from issuing shares |  |  |  |  |  |  |  | $ 21,500,000 |  |  |  |  |  |  |  |  |
Proceeds from issue of ordinary shares |  |  |  |  |  |  |  | 19,960,000 |  |  |  |  |  |  |  |  |
Brokered private placement [member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Statement Line Items [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Proceeds from issuing shares |  |  |  |  |  |  |  | 16,500,000 |  |  |  |  |  |  |  |  |
Non-brokered private placement [member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Statement Line Items [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Proceeds from issuing shares |  |  |  |  |  |  |  | $ 5,000,000 |  |  |  |  |  |  |  |  |
August 11, 2023 offering units [member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Statement Line Items [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Number of other equity instruments granted in share-based payment arrangement |  |  |  |  |  |  |  | 4,886,364 |  |  |  |  |  |  |  |  |
Payments for share issue costs |  |  |  |  |  |  |  | $ 445,000 |  |  |  |  |  |  |  |  |
Weighted average exercise price of other equity instruments granted in share-based payment arrangement (in CAD per share) | $ / shares |  |  |  |  |  |  |  | $ 4.4 |  |  |  |  |  |  |  |  |
Shares issued, commission percentage |  |  |  |  |  |  |  | 6.00% |  |  |  |  |  |  |  |  |
August 11, 2023 warrants [member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Statement Line Items [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Number of other equity instruments granted in share-based payment arrangement |  |  |  |  |  |  |  | 4,886,364 |  |  |  |  |  |  |  |  |
Weighted average fair value at measurement date, other equity instruments granted |  |  |  |  |  |  |  | $ 6,321,000 |  |  |  |  |  |  |  |  |
Weighted average exercise price of other equity instruments granted in share-based payment arrangement (in CAD per share) | $ / shares |  |  |  |  |  |  |  | $ 6.96 |  |  |  |  |  |  |  |  |
August 11, 2023 Broker Warrants [member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Statement Line Items [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Number of other equity instruments granted in share-based payment arrangement |  |  |  |  |  |  |  | 225,000 |  |  |  |  |  |  |  |  |
Weighted average fair value at measurement date, other equity instruments granted |  |  |  |  |  |  |  | $ 990,000 |  |  |  |  |  |  |  |  |
Weighted average exercise price of other equity instruments granted in share-based payment arrangement (in CAD per share) | $ / shares |  |  |  |  |  |  |  | $ 4.4 |  |  |  |  |  |  |  |  |
November 15, 2022 units [member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Statement Line Items [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Proceeds from issuing shares |  |  |  |  |  |  |  |  |  |  | $ 7,343,000 | $ 5,511,000 |  |  |  |  |
Number of other equity instruments granted in share-based payment arrangement |  |  |  |  |  |  |  |  |  |  | 586,250 | 586,250 |  |  |  |  |
Payments for share issue costs |  |  |  |  |  |  |  |  |  |  | $ 433,000 | $ 325,000 |  |  |  |  |
Weighted average exercise price of other equity instruments granted in share-based payment arrangement (in CAD per share) | $ / shares |  |  |  |  |  |  |  |  |  |  |  | $ 9.4 |  |  |  |  |
Warrants issued in November 15, 2022 Offering [member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Statement Line Items [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Number of other equity instruments granted in share-based payment arrangement |  |  |  |  |  |  |  |  |  |  | 586,250 | 586,250 |  |  |  |  |
Weighted average fair value at measurement date, other equity instruments granted |  |  |  |  |  |  |  |  |  |  |  | $ 2,087,000 |  |  |  |  |
Weighted average exercise price of other equity instruments granted in share-based payment arrangement (in CAD per share) | $ / shares |  |  |  |  |  |  |  |  |  |  |  | $ 12.4 |  |  |  |  |
November 15, 2022 Offering, Broker Warrant Units [member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Statement Line Items [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Number of other equity instruments granted in share-based payment arrangement |  |  |  |  |  |  |  |  |  |  | 34,538 | 34,538 |  |  |  |  |
Weighted average fair value at measurement date, other equity instruments granted |  |  |  |  |  |  |  |  |  |  |  | $ 325,000 |  |  |  |  |
Warrants [member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Statement Line Items [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Proceeds from exercise of warrants |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 970,000 |
Weighted average exercise price of other equity instruments exercised or vested in share-based payment arrangement (in CAD per share) | $ / shares |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 15.12 |
The 2028 notes [member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Statement Line Items [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Shares issued, price per share (in dollars per share) | $ / shares |  |  |  |  | $ 2.5756 |  |  |  |  |  |  |  |  |  |  |  |
Increase (decrease) in number of shares outstanding, conversion of interest on convertible instruments (in shares) | shares |  |  |  |  | 210,760 |  |  |  |  |  |  |  |  |  |  |  |
Borrowings |  |  |  |  | $ 51,000 |  |  |  |  |  |  |  |  |  |  |  |
Borrowings, interest rate |  |  |  |  | 8.99% |  |  |  | 8.99% | 8.99% |  |  |  |  |  |  |
Interest paid, classified as financing activities |  |  |  |  |  |  |  |  | $ 1,656,000 |  |  |  |  |  |  |  |
Increase (decrease) in number of shares outstanding, conversion of transaction costs on convertible instruments (in shares) | shares |  |  |  |  |  |  |  |  |  |  |  |  |  | 19,375 | 19,375 |  |
Increase (decrease) through conversion of transaction costs on convertible instruments, equity |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 240 |  |  |
The 2027 notes [member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Statement Line Items [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Borrowings, interest rate |  | 12.00% |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Proceeds from issuing shares |  |  | $ 5,000,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |
Convertible notes [member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Statement Line Items [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Increase (decrease) in number of shares outstanding, conversion of interest on convertible instruments (in shares) | shares |  |  |  |  |  |  |  |  |  |  |  |  |  | 16,533 | 16,533 |  |
Interest paid, classified as financing activities |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 158,000 | $ 135,000 |  |
Increase (decrease) through conversion of convertible instruments, equity |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 840,000 | $ 626,000 |  |
Increase (decrease) in number of shares outstanding through conversion of convertible instruments (in shares) | shares |  |  |  |  |  |  |  |  |  |  |  |  |  | 75,603 | 75,603 |  |
Convertible notes [member] | Noteholder 1 [member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Statement Line Items [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Shares issued, price per share (in dollars per share) | (per share) |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 4.81 | $ 3.56 |  |
Increase (decrease) in number of shares outstanding, conversion of interest on convertible instruments (in shares) | shares |  |  |  |  |  |  |  |  |  |  |  |  |  | 165,200 | 165,200 |  |
Interest paid, classified as financing activities |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 795 | $ 591 |  |
The 2026 notes [member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Statement Line Items [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Borrowings, interest rate |  |  |  |  |  |  |  |  | 6.95% | 6.95% |  |  |  |  |  |  |
Interest paid, classified as financing activities |  |  |  |  |  |  |  |  | $ 68,049,000 | $ 51,000,000 |  |  |  |  |  |  | $ 485,000
Increase (decrease) through conversion of convertible instruments, equity |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 3,500,000
Increase (decrease) in number of shares outstanding through conversion of convertible instruments (in shares) | shares |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 197,276 | 197,276
Ordinary shares [member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Statement Line Items [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Number of shares outstanding (in shares) | shares | 14,809,197 |  |  |  |  |  |  |  |  |  |  |  | 14,809,197 | 13,962,832 | 13,962,832 | 8,796,494 | 8,796,494
Shares issued, price per share (in dollars per share) | $ / shares |  |  | $ 2.172 |  |  |  |  |  |  |  |  |  |  |  |  |  |
Proceeds from issuing shares |  | $ 1,401,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Increase (decrease) in number of shares outstanding, issue of equity (in shares) | shares |  | 460,405 | 460,405 |  |  |  |  |  |  |  |  |  |  |  |  |  |
Payments for share issue costs |  | $ 180,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Share issue related cost |  |  |  |  |  |  |  |  |  |  |  |  | $ 180,000 | $ 1,582,000 |  | $ 1,859,000 |
Ordinary shares [member] | The 2027 notes [member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Statement Line Items [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Increase (decrease) in number of shares outstanding, issue of equity (in shares) | shares |  | 443,225 | 443,225 |  |  |  |  |  |  |  |  |  |  |  |  |  |
ATM program [member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Statement Line Items [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Shares issued, price per share (in dollars per share) | $ / shares |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 20.52 |
Increase (decrease) in number of shares outstanding, issue of equity (in shares) | shares |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 180,216 | 180,216
Payments for share issue costs |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 92,000 |
Proceeds from issue of ordinary shares |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 3,701,000 |

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