The accrued royalty payment benchmark.

No definition available.

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Namespace Prefix:	hscs_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

The aggregate payment amount of royalties.

+ References

No definition available.

+ Details

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Data Type:	xbrli:monetaryItemType
Balance Type:	debit
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- Definition

The closing quoted share price.

+ References

No definition available.

+ Details

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Data Type:	dtr-types:perShareItemType
Balance Type:	na
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- Definition

The percent at which rent will annually increase.

+ References

No definition available.

+ Details

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

- Definition

Description of terms and conditions of option to extend lessee's operating lease. Includes, but is not limited to, information about option recognized as part of right-of-use asset and lease liability.

+ References

No definition available.

+ Details

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Balance Type:	na
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- Definition

Amount of monthly cash outflow from operating lease, excluding payments to bring another asset to condition and location necessary for its intended use.

+ References

No definition available.

+ Details

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Namespace Prefix:	hscs_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
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- Definition

The number of AI cardiovascular algorithms.

+ References

No definition available.

+ Details

Name:	hscs_NumberOfAiCardiovascularAlgorithms
Namespace Prefix:	hscs_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	instant

- Definition

The number of data science methods.

+ References

No definition available.

+ Details

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Namespace Prefix:	hscs_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	instant

- Definition

The number of filed patents.

+ References

No definition available.

+ Details

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Namespace Prefix:	hscs_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	instant

- Definition

The number of license agreements.

+ References

No definition available.

+ Details

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Namespace Prefix:	hscs_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	instant

- Definition

The number of devices that must be sold before a royalty payment is made.

+ References

No definition available.

+ Details

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Namespace Prefix:	hscs_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	instant

- Definition

The amount of royalty payment made upon the sale of a certain number of devices.

+ References

No definition available.

+ Details

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Namespace Prefix:	hscs_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

Discount rate used by lessee to determine present value of operating lease payments.

+ References

Reference 1: http://www.xbrl.org/2003/role/exampleRef
-Topic 842
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
-Paragraph 3
-Subparagraph (c)(3)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147478964/842-20-50-3

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

- Definition

The value (monetary amount) of the award the plaintiff seeks in the legal matter.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 450
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
-Paragraph 1
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147483076/450-20-50-1

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-URI https://asc.fasb.org/1943274/2147483076/450-20-50-4

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- Definition

Amount of operating lease expense. Excludes sublease income.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 842
-SubTopic 20
-Name Accounting Standards Codification
-Section 45
-Paragraph 4
-Subparagraph (b)
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Data Type:	xbrli:monetaryItemType
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- Definition

Amount of expense related to royalty payments under a contractual arrangement such as payment for mineral and drilling rights and use of technology or intellectual property.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Topic 220
-SubTopic 10
-Name Accounting Standards Codification
-Section S99
-Paragraph 2
-Subparagraph (SX 210.5-03(3))
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147483621/220-10-S99-2

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- Details

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- Details

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Note 8 - Commitments and Contingencies (Details Textual)			12 Months Ended
	Apr. 30, 2026 USD ($)	Sep. 27, 2022 USD ($)	Apr. 30, 2026 USD ($)	Apr. 30, 2025 USD ($)	Dec. 31, 2023 USD ($) $ / shares	Jan. 31, 2026	Sep. 20, 2023	Dec. 31, 2013 USD ($)
Lessee, Operating Lease, Extension Term (Month)		64 months
Lessee, Operating Lease, Monthly Payments		$ 13,129
Lessee, Operating Lease, Annual Rent Increase		3.00%
Operating Lease, Expense			$ 200,000	$ 200,000
Lessee, Operating Lease, Discount Rate						12.00%
Loss Contingency, Damages Sought, Value	$ 180,000
Technology Agreement [Member]
Aggregate Payment of Royalties					$ 3,000,000
Closing Quoted Share Price (in dollars per share) \| $ / shares					$ 6,875
Accrued Royalty Payment Benchmark					$ 3,500,000
License Agreements [Member]
Number of License Agreements							11
Number of AI Cardiovascular Algorithms							13
Number of Data Science Methods							2
Number of Filed Patents							3
First 2400 MyoVista Devices [Member] \| Technology Agreement [Member]
Royalty Payment Upon Sale of Devices								$ 500
Royalty Payment, Number of Devices to Sell								2,400
Devices After 2400 Until 3500000 is Paid [Member] \| Technology Agreement [Member]
Royalty Payment Upon Sale of Devices					200
Royalty Expense					$ 3,500,000