Name:	hscs_DebtConversionOriginalDebtInterest
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Balance Type:	credit
Period Type:	duration

No definition available.

Name:	hscs_DebtConversionOriginalDebtPrincipal
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Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

The amount that must be reduced on the debt instrument, or else the outstanding balance will increase by the 12-month anniversary.

No definition available.

Name:	hscs_DebtInstrumentAmountToBeReduced
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Data Type:	xbrli:monetaryItemType
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Period Type:	instant

The amount of the debt instrument drawn in the first installment.

No definition available.

Name:	hscs_DebtInstrumentFirstInstallment
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Data Type:	xbrli:monetaryItemType
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Contractual interest rate for funds borrowed, under the debt agreement, upon default.

No definition available.

Name:	hscs_DebtInstrumentInterestRateDefault
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Data Type:	dtr-types:percentItemType
Balance Type:	na
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The maximum amount of the debt instrument redeemable per month.

No definition available.

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The minimum amount that a repayment on the debt instrument may be.

No definition available.

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Data Type:	xbrli:monetaryItemType
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The number of installments the debt instrument is drawn in.

No definition available.

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The percent at which the outstanding balance on the debt instrument will increase by.

No definition available.

Name:	hscs_DebtInstrumentPercentAtWhichOutstandingBalanceWillIncrease
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The reimbursement withheld on the debt instrument.

No definition available.

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Balance Type:	debit
Period Type:	instant

The amount of the debt instrument drawn in the second installment.

No definition available.

Name:	hscs_DebtInstrumentSecondInstallment
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The amount of the debt instrument drawn in the third installment.

No definition available.

Name:	hscs_DebtInstrumentThirdInstallment
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Exercise price per share or per unit of warrants or rights outstanding.

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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Period Type:	instant

Number of securities into which the class of warrant or right may be converted. For example, but not limited to, 500,000 warrants may be converted into 1,000,000 shares.

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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Number of warrants or rights outstanding.

No definition available.

Name:	us-gaap_ClassOfWarrantOrRightOutstanding
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The number of shares issued in exchange for the original debt being converted in a noncash (or part noncash) transaction. "Part noncash" refers to that portion of the transaction not resulting in cash receipts or payments in the period.

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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Face (par) amount of debt instrument at time of issuance.

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Contractual interest rate for funds borrowed, under the debt agreement.

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 942
-SubTopic 210
-Name Accounting Standards Codification
-Section S45
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Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Topic 942
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-Topic 942
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-Paragraph 1
-Subparagraph (SX 210.9-03(16))
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-Topic 210
-SubTopic 10
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-Paragraph 1
-Subparagraph (SX 210.5-02(22)(a)(1))
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-Topic 210
-SubTopic 10
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-Section S50
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-Publisher FASB
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-Topic 470
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Amount, after accumulated amortization, of debt discount.

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 835
-SubTopic 30
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-Paragraph 1A
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-Topic 835
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-Topic 835
-SubTopic 30
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-Publisher FASB
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Amount, after accumulated amortization, of debt issuance costs. Includes, but is not limited to, legal, accounting, underwriting, printing, and registration costs.

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Amount of cash paid for interest, including, but not limited to, capitalized interest and payment to settle zero-coupon bond attributable to accreted interest of debt discount and debt instrument with insignificant coupon interest rate in relation to effective interest rate of borrowing attributable to accreted interest of debt discount; classified as operating and investing activities.

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 230
-SubTopic 10
-Name Accounting Standards Codification
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Amount of interest payable on debt, including, but not limited to, trade payables.

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 210
-SubTopic 10
-Name Accounting Standards Codification
-Section S99
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Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 942
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Reference 3: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 942
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-Name Accounting Standards Codification
-Section S50
-Paragraph 1
-Publisher FASB
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Reference 4: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 942
-SubTopic 210
-Name Accounting Standards Codification
-Section S99
-Paragraph 1
-Subparagraph (SX 210.9-03(15)(5))
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147478546/942-210-S99-1

Reference 5: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 944
-SubTopic 210
-Name Accounting Standards Codification
-Section S99
-Paragraph 1
-Subparagraph (SX 210.7-03(a)(15)(a))
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147478777/944-210-S99-1

Name:	us-gaap_InterestPayableCurrentAndNoncurrent
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Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

The cash inflow during the period from additional borrowings in aggregate debt. Includes proceeds from short-term and long-term debt.

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 230
-SubTopic 10
-Name Accounting Standards Codification
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Name:	us-gaap_ProceedsFromIssuanceOfDebt
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Data Type:	xbrli:monetaryItemType
Balance Type:	debit
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The cash outflow for a borrowing supported by a written promise to pay an obligation.

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Name:	us-gaap_RepaymentsOfNotesPayable
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

Name:	us-gaap_DebtConversionByUniqueDescriptionAxis=hscs_ConversionOfDebtAndInterestIntoCommonStockMember
Namespace Prefix:
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Name:	us-gaap_SubsequentEventTypeAxis=us-gaap_SubsequentEventMember
Namespace Prefix:
Data Type:	na
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Data Type:	na
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Data Type:	na
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Data Type:	na
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