The number of warrants or rights exercised during period.

No definition available.

Name:	kool_ClassOfWarrantOrRightExercisedDuringPeriod
Namespace Prefix:	kool_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	duration

- Definition

The number of warrants or rights issued during period.

+ References

No definition available.

+ Details

Name:	kool_ClassOfWarrantOrRightIssuedDuringPeriod
Namespace Prefix:	kool_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	duration

- Definition

Per warrant amount of warrants issued.

+ References

No definition available.

+ Details

Name:	kool_WarrantsIssuedPricePerWarrant
Namespace Prefix:	kool_
Data Type:	num:perShareItemType
Balance Type:	na
Period Type:	instant

- Definition

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

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 235
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.4-08.(i)(4))
-URI http://asc.fasb.org/extlink&oid=26873400&loc=d3e23780-122690

+ Details

Name:	us-gaap_ClassOfWarrantOrRightExercisePriceOfWarrantsOrRights1
Namespace Prefix:	us-gaap_
Data Type:	num:perShareItemType
Balance Type:	na
Period Type:	instant

- Definition

Number of securities into which each warrant or right may be converted. For example, but not limited to, each warrant may be converted into two shares.

+ References

No definition available.

+ Details

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

- Definition

The cash inflow from issuance of rights to purchase common shares at predetermined price (usually issued together with corporate debt).

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 14
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=118932676&loc=d3e3255-108585

+ Details

Name:	us-gaap_ProceedsFromIssuanceOfWarrants
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Details

Name:	us-gaap_SubsequentEventTypeAxis=us-gaap_SubsequentEventMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_ClassOfWarrantOrRightAxis=kool_April2019PrefundedWarrantsMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_ClassOfWarrantOrRightAxis=kool_August2018PrefundedWarrantsMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

Note 10 - Subsequent Events (Details Textual) - USD ($)		1 Months Ended	3 Months Ended
Note 10 - Subsequent Events (Details Textual) - USD ($)	Apr. 18, 2019	Apr. 30, 2019	Mar. 31, 2019
Class of Warrant or Right, Exercised During Period			500,000
Subsequent Event [Member] \| April 2019 Pre-funded Warrants [Member]
Class of Warrant or Right, Issued During Period	4,444,444
Warrants Issued, Price Per Warrant	$ 0.17
Proceeds from Issuance of Warrants	$ 755,555
Class of Warrant or Right, Number of Securities Called by Each Warrant or Right	1
Class of Warrant or Right, Exercise Price of Warrants or Rights	$ 0.01
Subsequent Event [Member] \| August 2018 Pre-funded Warrants [Member]
Proceeds from Issuance of Warrants		$ 15,000
Class of Warrant or Right, Exercise Price of Warrants or Rights		$ 0.01
Class of Warrant or Right, Exercised During Period		1,500,000