Note 5 - Prepaid Expenses - Prepaid Expenses (Details) - USD ($)	Sep. 30, 2021	Dec. 31, 2020	Dec. 30, 2020
Insurance	$ 722,825	$ 0
Dues and subscriptions	468,804	0
Clinical research costs	1,566,753	0
Consultants and contractors	330,090	0
Prepaid Expense, Current, Total	$ 2,688,472	$ 0	$ 0

The amount of prepaid clinical research costs classified as current.

No definition available.

Name:	stab_PrepaidClinicalResearchCostsCurrent
Namespace Prefix:	stab_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

The amoutn of prepaid consultants and contractors classified as current.

+ References

No definition available.

+ Details

Name:	stab_PrepaidConsultantsAndContractorsCurrent
Namespace Prefix:	stab_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

The amount of prepaid dues and subscriptions classified as current.

+ References

No definition available.

+ Details

Name:	stab_PrepaidDuesAndSubscriptionsCurrent
Namespace Prefix:	stab_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

Amount of asset related to consideration paid in advance for costs that provide economic benefits within a future period of one year or the normal operating cycle, if longer.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section 45
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+ Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

Amount of asset related to consideration paid in advance for insurance that provides economic benefits within a future period of one year or the normal operating cycle, if longer.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 340
-SubTopic 10
-Section 45
-Paragraph 1
-URI http://asc.fasb.org/extlink&oid=6387103&loc=d3e6435-108320

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+ Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant