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v3.22.0.1

Share Capital (Details) - $ / shares | 6 Months Ended | 12 Months Ended
--- | --- | ---
Dec. 31, 2021 | Jun. 30, 2021
Share Capital Details Abstract |  |
Balance, warrants (in shares) | 9,813,870 | 18,074,695
Balance, weighted average exercise price, warrants (in CAD per share) | $ 1.13 | $ 0.98
Expired, warrants (in shares) |  | (141,317)
Expired, weighted average exercise price, warrants (in CAD per share) |  | $ 1.00
Exercised, warrants (in shares) | 5,635,147 | (11,245,133)
Exercised, weighted average exercise price, warrants (in CAD per share) | $ 1.12 | $ 0.93
Issued, warrants (in shares) |  | 3,125,625
Issued, weighted average exercise price, warrants (in CAD per share) |  | $ 1.20
Exercised, warrants (in shares) | (5,635,147) | 11,245,133
Balance, warrants (in shares) | 4,515,600 | 9,813,870
Balance, weighted average exercise price, warrants (in CAD per share) | $ 1.90 | $ 1.13

X
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Namespace Prefix: | sli_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | duration

X
- Definition The weighted average exercise price of warrants exercised during period. + References No definition available. + Details
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Namespace Prefix: | sli_
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Balance Type: | na
Period Type: | duration

X
- Definition The number of warrants expired during period. + References No definition available. + Details
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Namespace Prefix: | sli_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | duration

X
- Definition The weighted average exercise price of warrants expired during period. + References No definition available. + Details
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Namespace Prefix: | sli_
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Balance Type: | na
Period Type: | duration

X
- Definition The number of warrants issued during period. + References No definition available. + Details
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Namespace Prefix: | sli_
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X
- Definition The weighted average exercise price of warrants issued during period. + References No definition available. + Details
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Namespace Prefix: | sli_
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Period Type: | duration

X
- Definition The number of warrants outstanding. + References No definition available. + Details
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Namespace Prefix: | sli_
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Balance Type: | na
Period Type: | instant

X
- Definition The weighted average exercise price of warrants outstanding. + References No definition available. + Details
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Namespace Prefix: | sli_
Data Type: | num:perShareItemType
Balance Type: | na
Period Type: | instant

X
- References No definition available. + Details
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Period Type: | duration