Long-Term Debt - Additional Information (Details)
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12 Months Ended |
15 Months Ended |
16 Months Ended |
18 Months Ended |
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Feb. 25, 2025
USD ($)
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Oct. 31, 2024
USD ($)
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Sep. 29, 2023
USD ($)
Tranche
$ / shares
shares
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Jul. 24, 2023
USD ($)
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May 01, 2023
USD ($)
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Mar. 24, 2023
USD ($)
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Feb. 01, 2023
USD ($)
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Oct. 31, 2022 |
Apr. 11, 2022
USD ($)
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Dec. 28, 2020
USD ($)
$ / shares
shares
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Sep. 24, 2020
USD ($)
Tranche
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Apr. 30, 2025
$ / shares
shares
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Apr. 30, 2024
USD ($)
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Sep. 24, 2023 |
Apr. 30, 2022
USD ($)
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Dec. 31, 2023 |
Apr. 30, 2023 |
Apr. 30, 2025
$ / shares
shares
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Mar. 31, 2025 |
Jan. 21, 2022
USD ($)
$ / shares
shares
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Jul. 27, 2021 |
Debt Instrument [Line Items] |
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Frequency of periodic payment |
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over a 24-month period, payable at the beginning of the following quarter
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Payment terms |
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The Company made its first principal payment of $5,333 on February 1, 2023. The Company did not meet its revenue target for the preceding six months as of January 31, 2023, and principal payments continued. The Company made a second principal payment on May 1, 2023, for $5,511. The Company did not meet its revenue target for the preceding six months as of April 30, 2023, and the next principal payment was due on August 1, 2023.
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Loss on extinguishment of debt |
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$ 930,000
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Covenant compliance |
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The revenue covenant began to be measured on April 30, 2024. As of April 30, 2024, the Company was in compliance with both financial covenants.
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Facility and legal fees on undrawn amount |
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$ 588,000
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First Tranche |
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Debt Instrument [Line Items] |
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Facility fee |
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600,000
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Legal fees |
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1,753,000
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First Draw |
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Debt Instrument [Line Items] |
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Drawn amount |
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$ 45,000,000
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Facility fee percentage on available loan amount |
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1.00%
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Available loan amount |
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$ 60,000,000
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Second Tranche and Third Tranche |
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Debt Instrument [Line Items] |
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Debt related facility fees and debt issuance costs |
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$ 462,000
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Preceding Six-months Trailing Revenue |
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Debt Instrument [Line Items] |
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Percentage increase in interest rate |
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1.00%
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Interest rate |
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13.50%
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Principal payment period |
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24 months
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Preceding Six-months Trailing Revenue | First |
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Debt Instrument [Line Items] |
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Principal payment |
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$ 5,333,000
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Date of first required payment |
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Feb. 01, 2023
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Preceding Six-months Trailing Revenue | Second |
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Debt Instrument [Line Items] |
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Principal payment |
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$ 5,511,000
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Term Loan |
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Debt Instrument [Line Items] |
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Interest rate |
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14.50%
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Gain or loss recognized from debt modifications |
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$ 0
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Change in loan prepayment fee percentage |
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6.00%
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5.00%
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3.00%
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Loan balance paid off |
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34,209,000
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Accrued interest |
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757,000
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Prepayment fee |
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1,710,000
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Loss on extinguishment of debt |
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1,006,000
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Non-cash portion |
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930,000
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Original Term Loan |
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Debt Instrument [Line Items] |
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Maturity date |
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Sep. 24, 2025
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Delayed Senior Secured Term Loan | Second Tranche |
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Debt Instrument [Line Items] |
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Drawn amount |
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$ 15,000,000
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Term Loan 2024 | Third Tranche |
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Debt Instrument [Line Items] |
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Proceeds available from issuance of long-term debt |
$ 15,000,000
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Minimum revenue milestone |
$ 60,000,000
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Revenue milestone period |
12 months
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Percentage of warrants issuable |
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10.00%
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Term Loan 2024 | First Draw |
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Debt Instrument [Line Items] |
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Recognition of facility fee and legal fees as discount |
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$ 1,765,000
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IPO | Common Stock |
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Debt Instrument [Line Items] |
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Warrants exercise price | $ / shares |
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$ 11.54
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$ 11.54
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Warrant expiration date |
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Sep. 29, 2033
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Sep. 29, 2033
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IPO | Maximum | Common Stock |
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Debt Instrument [Line Items] |
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Number of warrants issued to purchase shares | shares |
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325,847
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325,847
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Lender | First Tranche |
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Debt Instrument [Line Items] |
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Warrants exercise price | $ / shares |
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$ 17.55
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Fair value of warrant |
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$ 1,632,000
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Lender | Maximum | First Tranche |
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Debt Instrument [Line Items] |
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Warrant issued to purchase shares | shares |
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256,410
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Lender | Term Loan | First Tranche |
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Debt Instrument [Line Items] |
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Warrants exercise price | $ / shares |
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$ 22.63
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Fair value of warrant |
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$ 320,000
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Lender | Term Loan | Second Tranche |
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Debt Instrument [Line Items] |
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Warrants exercise price | $ / shares |
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$ 26.24
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Fair value of warrant |
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$ 375,000
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Lender | Term Loan | Maximum | First Tranche |
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Debt Instrument [Line Items] |
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Warrant issued to purchase shares | shares |
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49,044
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Lender | Term Loan | Maximum | Second Tranche |
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Debt Instrument [Line Items] |
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Warrant issued to purchase shares | shares |
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36,783
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ASSURE WCD system | Term Loan |
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Debt Instrument [Line Items] |
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Debt instrument interest rate upon achievement of premarket approval from FDA |
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12.50%
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12.50%
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ASSURE WCD system | Term Loan | Maximum |
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Debt Instrument [Line Items] |
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Debt instrument interest rate paid in kind, accrued and added to principal |
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6.50%
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6.50%
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Loan Agreement | Term Loan | First Tranche |
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Debt Instrument [Line Items] |
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Drawn amount |
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$ 20,000,000
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Facility fee percentage on available loan amount |
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1.00%
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Available loan amount |
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$ 50,000,000
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Legal fees |
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$ 832,000
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Amendment | Lender | Term Loan | Third Tranche |
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Debt Instrument [Line Items] |
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Achievement amount in three month trailing revenue |
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$ 9,000,000
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Amendment | Lender | Term Loan | Tranche D Draw |
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Debt Instrument [Line Items] |
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|
Additional funded amount |
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|
|
|
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|
$ 10,000,000
|
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|
Increased aggregated principal amount by |
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|
10,000,000
|
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|
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|
Increased aggregated principal amount |
|
|
|
|
|
|
|
|
$ 60,000,000
|
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|
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|
Percentage of increase in paid in kind interest |
|
|
|
|
|
|
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|
|
|
|
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|
100.00%
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|
Interest rate |
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|
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|
|
|
|
6.50%
|
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|
|
|
12.50%
|
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|
Available amount |
|
|
|
$ 10,000,000
|
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|
|
|
|
|
|
|
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|
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|
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|
Achievement amount in six month trailing revenue |
|
|
|
$ 25,000,000
|
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|
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|
Credit Agreement | Lender | Term Loan 2024 |
|
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|
Debt Instrument [Line Items] |
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|
Maturity date |
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|
Sep. 29, 2028
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Interest rate, description |
|
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|
The Term Loan 2024 bears interest equal to the sum of Term Secured Overnight Financing Rate plus 7.25% for each interest period which is measured monthly and is payable on the last day of each fiscal quarter.
|
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|
Interest rate |
|
|
7.25%
|
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|
Debt Instrument, Variable Interest Rate, Type [Extensible Enumeration] |
|
|
us-gaap:SecuredOvernightFinancingRateSofrMember
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|
Credit Agreement | Lender | Term Loan 2024 | Second Tranche |
|
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|
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|
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|
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|
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|
Debt Instrument [Line Items] |
|
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|
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|
|
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|
|
|
|
|
|
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|
Aggregate principal amount |
|
|
$ 7,500,000
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Achievement of revenue milestones of trailing twelve month revenues |
|
|
50,000,000
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
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|
Credit Agreement | Lender | Term Loan 2024 | Third Tranche |
|
|
|
|
|
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|
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|
|
|
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|
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|
|
|
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|
Debt Instrument [Line Items] |
|
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|
|
|
|
|
|
|
|
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|
|
|
|
|
|
|
|
|
|
Aggregate principal amount |
|
|
7,500,000
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Achievement of revenue milestones of trailing twelve month revenues |
|
|
70,000,000
|
|
|
|
|
|
|
|
|
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|
|
|
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|
Credit Agreement | Lender | Term Loan 2024 | Maximum |
|
|
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|
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|
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|
Debt Instrument [Line Items] |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Aggregate principal amount |
|
|
$ 60,000,000
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
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|
Number of tranches | Tranche |
|
|
3
|
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|
|
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|
Percentage of pay-in kind interest |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
2.00%
|
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|
Credit Agreement | Lender | Term Loan 2024 | Minimum |
|
|
|
|
|
|
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|
|
|
|
|
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|
|
|
|
|
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|
Debt Instrument [Line Items] |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Minimum level of cash |
|
|
$ 3,000,000
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
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|
Credit Agreement | Lender | Term Loan 2024 | Minimum | First Tranche |
|
|
|
|
|
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|
|
|
|
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|
|
|
|
|
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|
|
Debt Instrument [Line Items] |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Committed equity funding amount |
|
|
$ 75,000,000
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
WAH Corp and Kestra | Loan Agreement | Lender | Term Loan |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
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|
|
Debt Instrument [Line Items] |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Percentage of increase in interest rate if targets not met |
|
|
|
|
|
|
|
|
|
|
1.00%
|
|
|
|
|
|
|
|
|
|
|
Outstanding balance if target not met amount repayment period |
|
|
|
|
|
|
|
|
|
|
24 months
|
|
|
|
|
|
|
|
|
|
|
WAH Corp and Kestra | Loan Agreement | Lender | Term Loan | Maximum |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Debt Instrument [Line Items] |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Aggregate principal amount |
|
|
|
|
|
|
|
|
|
|
$ 50,000,000
|
|
|
|
|
|
|
|
|
|
|
WAH Corp and Kestra | Loan Agreement | Lender | Original Term Loan | Maximum |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Debt Instrument [Line Items] |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Number of tranches | Tranche |
|
|
|
|
|
|
|
|
|
|
3
|
|
|
|
|
|
|
|
|
|
|