XML 111 R41.htm IDEA: XBRL DOCUMENT
v3.25.3

Company Overview and Basis of Presentation (Details) $ / shares in Units, $ in Thousands |  |  |  |  |  | 1 Months Ended | 3 Months Ended | 9 Months Ended | 73 Months Ended
--- | --- | --- | --- | --- | --- | --- | --- | --- | ---
Aug. 14, 2025 USD ($) $ / shares shares | Apr. 23, 2024 USD ($) | Apr. 22, 2024 USD ($) shares | Apr. 03, 2024 USD ($) | Mar. 22, 2024 $ / shares shares | Sep. 30, 2025 USD ($) shares | Sep. 30, 2025 USD ($) shares | Sep. 30, 2024 shares | Sep. 30, 2025 USD ($) product shares | Sep. 30, 2024 USD ($) shares | Sep. 30, 2025 USD ($)
Subsidiary, Sale of Stock [Line Items] |  |  |  |  |  |  |  |  |  |  |
Number of commercialized products | product |  |  |  |  |  |  |  |  | 4 |  |
Equity distribution agreement |  |  |  |  |  |  |  |  |  |  |
Subsidiary, Sale of Stock [Line Items] |  |  |  |  |  |  |  |  |  |  |
Number of shares issued in transaction (in shares) | shares |  |  |  |  |  | 27,315,145 |  |  |  |  |
Consideration received on sale of stock |  |  |  |  |  |  |  |  |  |  | $ 81,785
Payments for stock issuance costs |  |  |  |  |  |  |  |  |  |  | 3,858
Equity distribution agreement | Maximum |  |  |  |  |  |  |  |  |  |  |
Subsidiary, Sale of Stock [Line Items] |  |  |  |  |  |  |  |  |  |  |
Sale of stock, aggregate offering price |  | $ 100,000 |  |  |  |  |  |  |  |  |
Amended Equity Distribution Agreement |  |  |  |  |  |  |  |  |  |  |
Subsidiary, Sale of Stock [Line Items] |  |  |  |  |  |  |  |  |  |  |
Number of shares issued in transaction (in shares) | shares |  |  |  |  |  |  | 0 | 0 | 7,457,627 | 4,557,220 |
Consideration received on sale of stock |  |  |  |  |  |  |  |  | $ 21,261 | $ 11,855 |
Payments for stock issuance costs |  |  |  |  |  |  |  |  | 739 | $ 530 |
Sale of stock, maximum transaction amount |  |  |  | $ 250 |  |  |  |  |  |  |
Remaining authorized amount |  |  |  |  |  | $ 78,000 | $ 78,000 |  | $ 78,000 |  | $ 78,000
Underwritten Public Offering |  |  |  |  |  |  |  |  |  |  |
Subsidiary, Sale of Stock [Line Items] |  |  |  |  |  |  |  |  |  |  |
Number of shares issued in transaction (in shares) | shares | 21,250,000 |  |  |  | 16,666,667 |  |  |  |  |  |
Consideration received on sale of stock | $ 79,900 |  |  |  |  |  |  |  |  |  |
Payments for stock issuance costs | $ 437 |  | $ 894 |  |  |  |  |  |  |  |
Price per share (in dollars per share) | $ / shares | $ 4.00 |  |  |  | $ 4.50 |  |  |  |  |  |
Underwriting discounts | $ 5,100 |  | $ 4,651 |  |  |  |  |  |  |  |
Over-Allotment Option |  |  |  |  |  |  |  |  |  |  |
Subsidiary, Sale of Stock [Line Items] |  |  |  |  |  |  |  |  |  |  |
Number of shares issued in transaction (in shares) | shares |  |  | 559,801 |  |  |  |  |  |  |  |
Consideration received on sale of stock |  |  | $ 72,868 |  |  |  |  |  |  |  |

X
- Definition Revenue From Contract With Customer, Number Of Commercialized Products + References No definition available. + Details
Name: | aqst_RevenueFromContractWithCustomerNumberOfCommercializedProducts
Namespace Prefix: | aqst_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | duration

X
- Definition Sale of Stock, Aggregate Offering Price + References No definition available. + Details
Name: | aqst_SaleOfStockAggregateOfferingPrice
Namespace Prefix: | aqst_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Sale of Stock, Consideration Received on Transaction, Underwriting Discounts + References No definition available. + Details
Name: | aqst_SaleOfStockConsiderationReceivedOnTransactionUnderwritingDiscounts
Namespace Prefix: | aqst_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Sale of Stock, Maximum Transaction Amount + References No definition available. + Details
Name: | aqst_SaleOfStockMaximumTransactionAmount
Namespace Prefix: | aqst_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition The cash outflow for cost incurred directly with the issuance of an equity security. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 15 -Publisher FASB -URI https://asc.fasb.org/1943274/2147482740/230-10-45-15 + Details
Name: | us-gaap_PaymentsOfStockIssuanceCosts
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Cash received on stock transaction after deduction of issuance costs. + References No definition available. + Details
Name: | us-gaap_SaleOfStockConsiderationReceivedOnTransaction
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition The number of shares issued or sold by the subsidiary or equity method investee per stock transaction. + References No definition available. + Details
Name: | us-gaap_SaleOfStockNumberOfSharesIssuedInTransaction
Namespace Prefix: | us-gaap_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | duration

X
- Definition Per share amount received by subsidiary or equity investee for each share of common stock issued or sold in the stock transaction. + References No definition available. + Details
Name: | us-gaap_SaleOfStockPricePerShare
Namespace Prefix: | us-gaap_
Data Type: | dtr-types:perShareItemType
Balance Type: | na
Period Type: | instant

X
- Definition Amount remaining authorized for purchase of share under share repurchase plan. Includes, but is not limited to, repurchase of stock and unit of ownership. + References No definition available. + Details
Name: | us-gaap_StockRepurchaseProgramRemainingAuthorizedRepurchaseAmount1
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- 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
Name: | us-gaap_SubsidiarySaleOfStockLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | us-gaap_SubsidiarySaleOfStockAxis=aqst_EquityDistributionAgreementMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_RangeAxis=srt_MaximumMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_SubsidiarySaleOfStockAxis=aqst_AmendedEquityDistributionAgreementMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_SubsidiarySaleOfStockAxis=aqst_UnderwrittenPublicOfferingMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_SubsidiarySaleOfStockAxis=us-gaap_OverAllotmentOptionMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |