Coupon interest.

No definition available.

Name:	qtnt_CouponInterest
Namespace Prefix:	qtnt_
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Balance Type:	debit
Period Type:	duration

- Definition

Debt instrument date of first payment principal.

+ References

No definition available.

+ Details

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Data Type:	xbrli:dateItemType
Balance Type:	na
Period Type:	duration

- Definition

Date the debt agreement requires the first payment, interest to be made, in CCYY-MM-DD format.

+ References

No definition available.

+ Details

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Namespace Prefix:	qtnt_
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Period Type:	duration

- Definition

Debt instrument indenture date.

+ References

No definition available.

+ Details

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Balance Type:	na
Period Type:	duration

- Definition

Debt instrument, percentage of repurchase price on certain asset sales.

+ References

No definition available.

+ Details

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Namespace Prefix:	qtnt_
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Period Type:	duration

- Definition

Debt instrument principal payment.

+ References

No definition available.

+ Details

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Namespace Prefix:	qtnt_
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Balance Type:	credit
Period Type:	duration

- Definition

Debt instrument redemption price percentage on change of control.

+ References

No definition available.

+ Details

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Namespace Prefix:	qtnt_
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Balance Type:	na
Period Type:	duration

- Definition

Debt instrument subscribers right to receive payment as percentage of net sales.

+ References

No definition available.

+ Details

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Namespace Prefix:	qtnt_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

Issuance costs attributable to bifurcated derivative.

+ References

No definition available.

+ Details

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Period Type:	instant

- Definition

Amount of amortization expense attributable to debt issuance costs.

+ References

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- Definition

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

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Period Type:	instant

- Definition

Face amount per share of no-par value common stock.

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- Definition

Total number of common shares of an entity that have been sold or granted to shareholders (includes common shares that were issued, repurchased and remain in the treasury). These shares represent capital invested by the firm's shareholders and owners, and may be all or only a portion of the number of shares authorized. Shares issued include shares outstanding and shares held in the treasury.

+ References

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- Definition

The price per share of the conversion feature embedded in the debt instrument.

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- Definition

Description of conversion terms for debt instrument.

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- Definition

Face (par) amount of debt instrument at time of issuance.

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Balance Type:	credit
Period Type:	instant

- Definition

Effective interest rate for the funds borrowed under the debt agreement considering interest compounding and original issue discount or premium.

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Balance Type:	na
Period Type:	instant

- Definition

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

+ References

+ Details

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Period Type:	instant

- Definition

Date the debt instrument was issued, in YYYY-MM-DD format.

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Data Type:	xbrli:dateItemType
Balance Type:	na
Period Type:	duration

- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

No definition available.

+ Details

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Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

- Definition

Date when the debt instrument is scheduled to be fully repaid, in YYYY-MM-DD format.

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Data Type:	xbrli:dateItemType
Balance Type:	na
Period Type:	duration

- Definition

Description of the maturity date of the debt instrument including whether the debt matures serially and, if so, a brief description of the serial maturities.

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Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

- Definition

Description of debt redemption features under terms of the debt agreement.

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Period Type:	duration

- Definition

Percentage price of original principal amount of debt at which debt can be redeemed by the issuer.

+ References

+ Details

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Data Type:	dtr-types:percentItemType
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Period Type:	duration

- Definition

Description of covenants that limit or prohibit certain actions or activities without the lender's prior consent within a specified period of time or until certain specified targets are achieved for example, reduction of the debt or an increase in net worth to a specified amount).

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Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

- Definition

Period of time between issuance and maturity of debt instrument, in PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

+ References

No definition available.

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

- Definition

Description of unused borrowing capacity under the debt instrument and conditions under which the commitment can be withdrawn by the lender.

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- Definition

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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Balance Type:	debit
Period Type:	instant

- Definition

The designation of funds furnished by a borrower to a lender to assure future payments of the borrower's real estate taxes and insurance obligations with respect to a mortgaged property. Escrow deposits may be made for a variety of other purposes such as earnest money and contingent payments. This element excludes replacement reserves which are an escrow separately provided for within the US GAAP taxonomy.

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Balance Type:	debit
Period Type:	instant

- Definition

Amount of the cost of borrowed funds accounted for as interest expense for debt.

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- Definition

Carrying value as of the balance sheet date of [accrued] interest payable on all forms of debt, including trade payables, that has been incurred and is unpaid. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer).

+ References

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- Definition

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

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Balance Type:	debit
Period Type:	duration

- Definition

Cash and investments whose use in whole or in part is restricted for the long-term, generally by contractual agreements or regulatory requirements. For use in an unclassified balance sheet.

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Balance Type:	debit
Period Type:	instant

- Definition

The amount the entity has committed to make for future royalty guarantees.

+ References

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Balance Type:	credit
Period Type:	instant

- Definition

Price of a single share of a number of saleable stocks of a company.

+ References

No definition available.

+ Details

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Debt - Additional Information (Detail) - USD ($)									3 Months Ended		12 Months Ended
Debt - Additional Information (Detail) - USD ($)	Oct. 15, 2025	Jul. 06, 2022	Oct. 13, 2021	Jun. 02, 2021	May 26, 2021	Apr. 15, 2021	May 15, 2019	Jun. 29, 2018	Jun. 30, 2022	Jun. 30, 2021	Jul. 15, 2025	Mar. 31, 2022	Dec. 31, 2021	Oct. 14, 2016
Debt Instrument [Line Items]
Common stock, shares issued									135,683,559			102,611,397
Common stock, par value
Exercise price of warrants									$ 0.001
Accrued interest									$ 4,001,000			$ 9,235,000
Ordinary Shares [Member]
Debt Instrument [Line Items]
Common stock, shares issued									135,683,559			102,611,397
Common stock, par value									$ 0
Par value per share									$ 0.24
Convertible Notes [Member]
Debt Instrument [Line Items]
Debt instrument, issuance date									May 26, 2021
Aggregate principal amount of notes issued				$ 10,000,000.0	$ 95,000,000.0
Debt instrument, interest rate													4.75%
Maturity date				May 26, 2026	May 26, 2026
Debt instrument, conversion, description									At any time before the close of business on the second business day immediately before the maturity date, holders of the Convertible Notes can convert the Convertible Notes either in whole or in part into the Company’s ordinary shares at an initial conversion rate of 176.3668 ordinary shares per $1,000 principal amount of the Convertible Notes, subject to customary anti-dilution adjustments.
Conversion rate of ordinary shares					176.3668
Conversion price per share					$ 1,000
Debt issuance costs					$ 3,700,000				$ 3,012,000			$ 3,180,000
Issuance costs attributable to bifurcated derivative					$ 0
Expected life of debt					5 years
Debt instrument, effective interest rate					12.90%
Interest expense debt									2,600,000	$ 900,000
Coupon interest									1,200,000	500,000
Amortization of debt discount and issuance costs									1,400,000	400,000
Convertible Notes [Member] \| Accrued Expenses and Other Current Liabilities [Member]
Debt Instrument [Line Items]
Accrued interest									$ 635,000	$ 469,000
Secured Notes [Member]
Debt Instrument [Line Items]
Debt instrument, issuance date									Oct. 14, 2016
Aggregate principal amount of notes available for issue														$ 84,000,000
Aggregate principal amount of notes issued							$ 25,000,000	$ 36,000,000
Debt instrument, unused/additional borrowing capacity									The Company issued $84 million aggregate principal amount of the Secured Notes on October 14, 2016 and an additional $36 million aggregate principal amount of the Secured Notes on June 29, 2018.
Debt instrument, restrictive covenants									The Company and its subsidiaries must also comply with certain customary affirmative and negative covenants, including a requirement to maintain six-months of interest in a cash reserve account maintained with the collateral agent. Upon the occurrence of a Change of Control, subject to certain conditions, or certain Asset Sales (each, as defined in the indenture), holders of the Secured Notes may require the Company to repurchase for cash all or part of their Secured Notes at a repurchase price equal to 101% or 100%, respectively, of the principal amount of the Secured Notes to be repurchased, plus accrued and unpaid interest to the date of repurchase.
Debt instrument, percentage of repurchase price on change of control									101.00%
Debt instrument, percentage of repurchase price on certain asset sales									100.00%
Payment to cash reserve account held by collateral agent						$ 8,000,000.0	8,700,000
Debt instrument date of first required payment, interest									Apr. 15, 2017
Debt instrument date of first payment, principal									Apr. 15, 2021
Debt instrument, interest rate						12.00%			12.00%
Debt instrument principal payment						$ 12,100,000
Debt instrument indenture date			Oct. 14, 2016
Debt instrument, maturity date, description									The Indenture Amendments included an 18-month extension of the final maturity of the Secured Notes to October 2025 and a revision of the Notes’ principal amortization schedule.
Debt instrument, redemption, description									The Secured Notes may be redeemed from and after October 14, 2021 at redemption prices beginning at 106% of par and declining over time to 100.0% for redemptions occurring from and after April 14, 2024.
Secured Notes [Member] \| Subsequent Event
Debt Instrument [Line Items]
Debt instrument principal payment	$ 93,000,000.0										$ 2,500,000
Cash and other benefits reserved		$ 8,000,000.0
Secured Notes [Member] \| MosaiQ [Member]
Debt Instrument [Line Items]
Debt instrument subscribers rights to receive payment as percentage of net MosaiQ sales									3.40%
Estimated amount under royalty agreement									$ 71,800,000			$ 76,800,000
Secured Notes [Member] \| From and After October 14, 2021 [Member]
Debt Instrument [Line Items]
Debt instrument, redemption percentage									106.00%
Secured Notes [Member] \| From and After April 14, 2024 [Member]
Debt Instrument [Line Items]
Debt instrument, redemption percentage									100.00%
Secured Notes [Member] \| Fourth Supplemental Indenture [Member]
Debt Instrument [Line Items]
Debt instrument indenture date			Oct. 13, 2021
Secured Notes [Member] \| Consent Shares [Member] \| Ordinary Shares [Member]
Debt Instrument [Line Items]
Common stock, shares issued									932,772
Common stock, par value									$ 0
Secured Notes [Member] \| Consent Warrants [Member] \| Ordinary Shares [Member]
Debt Instrument [Line Items]
Common stock, shares issued									8,494,595				1,844,020
Warrants duration									5 years
Par value per share													$ 4
Exercise price of warrants									$ 0.75
Secured Notes [Member] \| Maximum [Member]
Debt Instrument [Line Items]
Aggregate principal amount of notes available for issue							$ 145,000,000	$ 120,000,000						$ 120,000,000
Secured Notes [Member] \| Maximum [Member] \| Subsequent Event
Debt Instrument [Line Items]
Debt instrument principal payment		24,200,000
Secured Notes [Member] \| Minimum [Member] \| Subsequent Event
Debt Instrument [Line Items]
Debt instrument principal payment		$ 12,100,000