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Note 16 - Share-based Payments (Tables) | 3 Months Ended
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Mar. 31, 2026
Notes Tables |
Share-Based Payment Arrangement, Option, Activity [Table Text Block] |
|  | Three Months Ended March 31, 2026 |  |  | Three Months Ended March 31, 2025 |
|  | Number of shares |  |  | Weighted average exercise price per share |  |  | Number of shares |  |  | Weighted average exercise price per share |
Outstanding, beginning of period |  |  | 961,376 |  |  | $ | 39.65 |  |  |  | 1,122,700 |  |  | $ | 45.86 |
Granted |  |  | - |  |  |  | - |  |  |  | - |  |  |  | - |
Exercised |  |  | - |  |  |  | - |  |  |  | - |  |  |  | - |
Forfeited |  |  | (3,975 | ) |  |  | 22.01 |  |  |  | (18,228 | ) |  |  | 40.76 |
Expired |  |  | (3,721 | ) |  |  | 49.72 |  |  |  | (60,509 | ) |  |  | 60.30 |
Outstanding, end of period |  |  | 953,680 |  |  |  | 39.69 |  |  |  | 1,043,963 |  |  |  | 45.11 |
Options exercisable, end of period |  |  | 562,467 |  |  | $ | 51.44 |  |  |  | 557,558 |  |  | $ | 57.68 |
|  | Three Months Ended March 31, 2026 |  |  | Three Months Ended March 31, 2025 |
|  | Number of shares |  |  | Weighted average exercise price per share |  |  | Number of shares |  |  | Weighted average exercise price per share |
Outstanding, beginning of period |  |  | 15,305,714 |  |  | $ | 1.34 |  |  |  | 15,887,997 |  |  | $ | 1.28 |
Granted |  |  | 15,500 |  |  |  | 1.81 |  |  |  | 226,000 |  |  |  | 1.78 |
Exercised |  |  | - |  |  |  | - |  |  |  | - |  |  |  | - |
Forfeited |  |  | (6,250 | ) |  |  | 1.27 |  |  |  | (72,063 | ) |  |  | 1.45 |
Expired |  |  | (22,812 | ) |  |  | 1.36 |  |  |  | (301,132 | ) |  |  | 1.27 |
Outstanding, end of period |  |  | 15,292,152 |  |  |  | 1.34 |  |  |  | 15,740,802 |  |  |  | 1.32 |
Options exercisable, end of period |  |  | 13,765,473 |  |  | $ | 1.30 |  |  |  | 11,656,385 |  |  | $ | 1.28 |
|  | Three Months Ended March 31, 2026 |  |  | Three Months Ended March 31, 2025 |
|  | Number of shares |  |  | Weighted average exercise price per share |  |  | Number of shares |  |  | Weighted average exercise price per share |
Outstanding, beginning of period |  |  | 4,646,012 |  |  | $ | 6.00 |  |  |  | 5,959,660 |  |  | $ | 6.00 |
Granted |  |  | - |  |  |  | - |  |  |  | - |  |  |  | - |
Exercised |  |  | - |  |  |  | - |  |  |  | - |  |  |  | - |
Forfeited |  |  | (71,925 | ) |  |  | 6.00 |  |  |  | (91,658 | ) |  |  | 6.00 |
Expired |  |  | (36,756 | ) |  |  | 6.00 |  |  |  | (930,891 | ) |  |  | 6.00 |
Outstanding, end of period |  |  | 4,537,331 |  |  |  | 6.00 |  |  |  | 4,937,111 |  |  |  | 6.00 |
Options exercisable, end of period |  |  | 4,490,653 |  |  | $ | 6.00 |  |  |  | 3,797,940 |  |  | $ | 6.00 |
Share-Based Payment Arrangement, Option, Exercise Price Range [Table Text Block] |
|  | Options outstanding |  |  | Options exercisable |
Exercise price |  | Number outstanding |  |  | Weighted average exercise price per share |  |  | Weighted average remaining contractual life (years) |  |  | Aggregate intrinsic value |  |  | Number exercisable |  |  | Weighted average exercise price per share |  |  | Weighted average remaining contractual life (years) |  |  | Aggregate intrinsic value |
$16.47 - $19.93 |  |  | 146,262 |  |  | $ | 18.96 |  |  |  | 5.9 |  |  | $ | 3 |  |  |  | 23,875 |  |  | $ | 19.27 |  |  |  | 4.4 |  |  | $ | 3 |
$20.25 - $28.37 |  |  | 369,564 |  |  |  | 22.70 |  |  |  | 5.1 |  |  |  | - |  |  |  | 131,531 |  |  |  | 23.30 |  |  |  | 4.8 |  |  |  | - |
$30.70 - $30.74 |  |  | 5,000 |  |  |  | 30.74 |  |  |  | 3.7 |  |  |  | - |  |  |  | 3,750 |  |  |  | 30.74 |  |  |  | 3.7 |  |  |  | - |
$40.04 - $48.00 |  |  | 127,465 |  |  |  | 42.00 |  |  |  | 3.2 |  |  |  | - |  |  |  | 97,922 |  |  |  | 42.02 |  |  |  | 3.2 |  |  |  | - |
$51.82 - $59.98 |  |  | 13,350 |  |  |  | 55.53 |  |  |  | 0.8 |  |  |  | - |  |  |  | 13,350 |  |  |  | 55.53 |  |  |  | 0.8 |  |  |  | - |
$60.01 - $68.41 |  |  | 142,416 |  |  |  | 60.94 |  |  |  | 0.7 |  |  |  | - |  |  |  | 142,416 |  |  |  | 60.94 |  |  |  | 0.7 |  |  |  | - |
$70.13 - $79.51 |  |  | 140,623 |  |  |  | 78.45 |  |  |  | 1.8 |  |  |  | - |  |  |  | 140,623 |  |  |  | 78.45 |  |  |  | 1.8 |  |  |  | - |
$80.61 - $82.07 |  |  | 9,000 |  |  |  | 80.61 |  |  |  | 2.5 |  |  |  | - |  |  |  | 9,000 |  |  |  | 80.61 |  |  |  | 2.5 |  |  |  | - |
|  |  | 953,680 |  |  | $ | 39.69 |  |  |  | 3.7 |  |  | $ | 3 |  |  |  | 562,467 |  |  | $ | 51.44 |  |  |  | 2.6 |  |  | $ | 3 |
|  | Options outstanding |  |  | Options exercisable |
Exercise price |  | Number outstanding |  |  | Weighted average exercise price per share |  |  | Weighted average remaining contractual life (years) |  |  | Aggregate intrinsic value |  |  | Number exercisable |  |  | Weighted average exercise price per share |  |  | Weighted average remaining contractual life (years) |  |  | Aggregate intrinsic value |
$0 - $1.81 |  |  | 15,292,152 |  |  | $ | 1.34 |  |  |  | 3.6 |  |  | $ | 7,186 |  |  |  | 13,765,473 |  |  | $ | 1.30 |  |  |  | 3.6 |  |  | $ | 7,075 |
|  |  | 15,292,152 |  |  | $ | 1.34 |  |  |  | 3.6 |  |  | $ | 7,186 |  |  |  | 13,765,473 |  |  | $ | 1.30 |  |  |  | 3.6 |  |  | $ | 7,075 |
|  | Options outstanding |  |  | Options exercisable |
Exercise price |  | Number outstanding |  |  | Weighted average exercise price per share |  |  | Weighted average remaining contractual life (years) |  |  | Aggregate intrinsic value |  |  | Number exercisable |  |  | Weighted average exercise price per share |  |  | Weighted average remaining contractual life (years) |  |  | Aggregate intrinsic value |
$0 - $6.00 |  |  | 4,537,331 |  |  | $ | 6.00 |  |  |  | 4.0 |  |  | $ | - |  |  |  | 4,490,653 |  |  | $ | 6.00 |  |  |  | 4.0 |  |  | $ | - |
|  |  | 4,537,331 |  |  | $ | 6.00 |  |  |  | 4.0 |  |  | $ | - |  |  |  | 4,490,653 |  |  | $ | 6.00 |  |  |  | 4.0 |  |  | $ | - |
Share-Based Payment Arrangement, Expensed and Capitalized, Amount [Table Text Block] |
|  | Three Months Ended March 31, |
|  | 2026 |  |  | 2025 |
Company options |  | $ | 953 |  |  | $ | 1,102 |
Wavelo options |  |  | 148 |  |  |  | 442 |
Ting options |  |  | 11 |  |  |  | 31 |
Capitalized stock-based compensation |  |  | (18 | ) |  |  | (70 | )
Total stock-based compensation expense |  | $ | 1,094 |  |  | $ | 1,505 |

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- Definition Tabular disclosure of allocation of amount expensed and capitalized for award under share-based payment arrangement to statement of income or comprehensive income and statement of financial position. Includes, but is not limited to, corresponding line item in financial statement. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (h)(1) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480429/718-10-50-2 + Details
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