Number of warrants exercised.

No definition available.

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- Definition

Weighted average exercise price of warrants exercised.

+ References

No definition available.

+ Details

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Period Type:	duration

- Definition

Number of warrants forfeited or expired.

+ References

No definition available.

+ Details

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- Definition

Weighted average exercise price of warrants forfeited or expired.

+ References

No definition available.

+ Details

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Data Type:	dtr-types:perShareItemType
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- Definition

Number of warrants or rights issued.

+ References

No definition available.

+ Details

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- Definition

Weighted average exercise price of warrants or rights issued.

+ References

No definition available.

+ Details

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- Definition

Weighted average exercise price of warrants outstanding.

+ References

No definition available.

+ Details

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Data Type:	dtr-types:perShareItemType
Balance Type:	na
Period Type:	instant

- Definition

Number of shares issued as a result of cashless exercise of warrants into common stock.

+ References

No definition available.

+ Details

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Namespace Prefix:	smtk_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	duration

- Definition

Weighted Average Remaining Contractual Term (years)

+ References

No definition available.

+ Details

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- Definition

Warrants, Number of Shares Rollforward [Abstract]

+ References

No definition available.

+ Details

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- Definition

Warrants, Weighted Average Exercise Price Rollforward [Abstract]

+ References

No definition available.

+ Details

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Namespace Prefix:	smtk_
Data Type:	xbrli:stringItemType
Balance Type:	na
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- Definition

Exercise price per share or per unit of warrants or rights outstanding.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 505
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 3
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147481112/505-10-50-3

+ Details

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Period Type:	instant

- Definition

Number of warrants or rights outstanding.

+ References

No definition available.

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	instant

- 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

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 820
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 2
-Subparagraph (bbb)(2)(i)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482106/820-10-50-2

Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 820
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 2
-Subparagraph (bbb)(2)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482106/820-10-50-2

Reference 3: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 820
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 2
-Subparagraph (bbb)(1)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482106/820-10-50-2

+ Details

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Namespace Prefix:	us-gaap_
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Period Type:	instant

- Details

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- Details

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- Details

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- Details

Name:	us-gaap_ClassOfWarrantOrRightAxis=us-gaap_WarrantMember
Namespace Prefix:
Data Type:	na
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- Details

Name:	us-gaap_ClassOfWarrantOrRightAxis=smtk_PreFundedWarrantsMember
Namespace Prefix:
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STOCKHOLDERS' EQUITY - Common Stock Warrants (Details) - $ / shares	3 Months Ended
	Mar. 31, 2026	Feb. 05, 2026	Dec. 31, 2025
Number of shares
Exercise price per share		$ 2.75
Common stock warrants
Number of shares
Warrants outstanding at beginning of the year	3,021,274
Issued	24,542,982
Expired	(28,161)
Warrants outstanding at end of the year	27,536,095
Weighted-Average Exercise Price
Warrants outstanding at beginning of the year	$ 6.28
Issued	0.58
Expired	70
Warrants outstanding at end of the year	$ 1.14
Weighted Average Remaining Contractual Term (years)
Warrants outstanding at beginning of the year	2 years 9 months 21 days
Warrants outstanding at end of the year	2 years 11 months 15 days
Common stock warrants \| Minimum
Number of shares
Exercise price per share	$ 0.35		$ 0.35
Common stock warrants \| Maximum
Number of shares
Exercise price per share	$ 8.75		$ 70
Warrants
Number of shares
Issued	24,542,982
Expired	28,161
Exercise price per share	$ 0.5812
Pre funded warrants
Number of shares
Warrants outstanding at beginning of the year	1,532,251
Issued	1,032,131
Exercised	(1,930,877)
Warrants outstanding at end of the year	633,505
Exercise price per share	$ 0.0001
Weighted-Average Exercise Price
Warrants outstanding at beginning of the year	0.0097
Issued	0.0001
Exercised	0.0001
Warrants outstanding at end of the year	$ 0.0232
Weighted Average Remaining Contractual Term (years)
Cashless exercise of warrants into common stock (in shares)	1,930,524