XML 29 R18.htm IDEA: XBRL DOCUMENT v3.25.2

Insider Trading Arrangements - Dr. Efthymios Deliargyris	3 Months Ended
	Jun. 30, 2025 shares
Trading Arrangements, by Individual
Material Terms of Trading Arrangement	On June 13, 2025, Dr. Efthymios Deliargyris, our Chief Medical Officer, adopted a Rule 10b5-1 trading plan for the sale of the Company’s common stock. The plan, which has a term of one year, provides for the sale of up to 157,500 incentive stock options through market or limit orders.
Name	Dr. Efthymios Deliargyris
Title	Chief Medical Officer
Rule 10b5-1 Arrangement Adopted	true
Adoption Date	Jun. 13, 2025
Aggregate Available	157,500

X

- References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher SEC
-Name Regulation S-K
-Number 229
-Section 408
-Subsection a
-Paragraph 1

+ Details

Name:	ecd_MtrlTermsOfTrdArrTextBlock
Namespace Prefix:	ecd_
Data Type:	dtr-types:textBlockItemType
Balance Type:	na
Period Type:	duration

X

- References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher SEC
-Name Regulation S-K
-Number 229
-Section 408
-Subsection a
-Paragraph 1

+ Details

Name:	ecd_Rule10b51ArrAdoptedFlag
Namespace Prefix:	ecd_
Data Type:	xbrli:booleanItemType
Balance Type:	na
Period Type:	duration

X

- References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher SEC
-Name Regulation S-K
-Number 229
-Section 408
-Subsection a
-Paragraph 2
-Subparagraph A

+ Details

Name:	ecd_TradingArrByIndTable
Namespace Prefix:	ecd_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

X

- References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher SEC
-Name Regulation S-K
-Number 229
-Section 408
-Subsection a
-Paragraph 2
-Subparagraph B

+ Details

Name:	ecd_TrdArrAdoptionDate
Namespace Prefix:	ecd_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

X

- References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher SEC
-Name Regulation S-K
-Number 229
-Section 408
-Subsection a
-Paragraph 2
-Subparagraph A

+ Details

Name:	ecd_TrdArrIndName
Namespace Prefix:	ecd_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

X

- References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher SEC
-Name Regulation S-K
-Number 229
-Section 408
-Subsection a
-Paragraph 2
-Subparagraph A

+ Details

Name:	ecd_TrdArrIndTitle
Namespace Prefix:	ecd_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

X

- References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher SEC
-Name Regulation S-K
-Number 229
-Section 408
-Subsection a
-Paragraph 2
-Subparagraph D

+ Details

Name:	ecd_TrdArrSecuritiesAggAvailAmt
Namespace Prefix:	ecd_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	instant

X

- Details

Name:	ecd_IndividualAxis=ctso_Dr.EfthymiosDeliargyrisMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: