Share-based payments (Details 3) kr / shares in Units, kr in Thousands, $ in Thousands |
12 Months Ended |
|
Dec. 31, 2025
USD ($)
shares
|
Dec. 31, 2025
SEK (kr)
kr / shares
shares
|
Dec. 31, 2024
SEK (kr)
kr / shares
shares
|
| Notes and other explanatory information [abstract] |
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|
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| Number of option, outstanding beginning | shares |
|
|
|
| Weighted average exercise price, beginning | kr / shares |
|
|
|
| Number of option, granted during the year | shares |
1,561,400
|
1,561,400
|
|
| Weighted average exercise price, granted during the year | kr / shares |
|
kr 72.63
|
|
| Number of option, forfeited during the year | shares |
|
|
|
| Weighted average exercise price, forfeited during the year | kr / shares |
|
|
|
| Number of option, exercised during the year | shares |
|
|
|
| Weighted average exercise price, exercised during the year | kr / shares |
|
|
|
| Number of option, expired during the year | shares |
|
|
|
| Weighted average exercise price, expired during the year | kr / shares |
|
|
|
| Number of option, outstanding ending | shares |
1,561,400
|
1,561,400
|
|
| Weighted average exercise price, outstanding ending | kr / shares |
|
kr 72.63
|
|
| Weighted average exercise price, outstanding ending |
$ 27,000
|
kr 258,214
|
|
| Number of option, exercisable at the end of the year | shares |
|
974,199
|
|
| Number of option, exercisable at the end of the year | kr / shares |
|
kr 72.63
|
|