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Leases | 6 Months Ended
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Oct. 31, 2023
Leases [Abstract] |
Leases | Leases The Company accounts for its leases under FASB ASC Topic 842, Leases. Under this guidance, arrangements meeting the definition of a lease are classified as operating or financing leases and are recorded on the consolidated balance sheet as both a right-of-use ("ROU") asset and lease liability, calculated by discounting fixed lease payments over the lease term at the rate implicit in the lease, if applicable, or the Company’s incremental borrowing rate. As the Company's leases do not provide an implicit rate, the Company uses an incremental borrowing rate based on the information available at the lease commencement date in determining the present value of lease payments. Lease liabilities are increased by interest and reduced by payments each period, and the right-of-use asset is amortized over the lease term. For operating leases, interest on the lease liability and the amortization of the right-of-use asset result in straight-line rent expense over the lease term. Operating Leases The Company currently leases certain office equipment and its office and laboratory facilities under non-cancelable operating leases. Rent expense for operating leases is recognized on a straight-line basis over the lease term from the lease commencement date through the scheduled expiration date. Rent expense totaled $454,000 and $466,000 for the three months ended October 31, 2023 and 2022, respectively. Rent expense totaled $907,000 and $934,000 for the six months ended October 31, 2023 and 2022, respectively. The Company considers its facilities adequate for its current operational needs. The Company leases the following facilities: •One University Plaza, Suite 307, Hackensack, New Jersey 07601, which, since November 2011, serves as the Company’s corporate headquarters. The lease expires in November 2026. The Company recognized $19,000 and $21,000 of rent expense relative to this lease for the three months ended October 31, 2023 and 2022, respectively.The Company recognized $38,000 and $42,000 of rent expense relative to this lease for the six months ended October 31, 2023 and 2022, respectively. •1330 Piccard Drive Suite 025, Rockville, MD 20850, which consists of laboratory and office space where the Company conducts operations related to its primary service offerings. The Company executed the original lease in January 2017. The lease was amended to expand the premises and extend the expiration date in March 2020 and again in December 2020. The operating commencement date was August 11, 2017. This lease expires in February 2029. The Company recognized $423,000 and $422,000 of rent expense relative to this lease for the three months ended October 31, 2023 and 2022, respectively, and $846,000 and $844,000 of rent expense relative to this lease for the six months ended October 31, 2023 and 2022, respectively. •VIA LEONE XIII, 14, Milan, Italy, which consists of laboratory and office space where the Company conducts operations related to its flow cytometry service offerings. The Company executed separate leases for its laboratory space and office space during fiscal 2022. During fiscal 2023, the Company executed a new lease to consolidate its office and laboratory space at a new nearby location in Italy. The lease expires October 31, 2028 and it replaces the previous two leases, which were terminated during fiscal year 2023. The Company recognized $13,000 and $23,000 of rent expense relative to these leases for the three months ended October 31, 2023 and 2022, respectively, and $26,000 and $48,000 for the six months ended October 31, 2023 and 2022, respectively. ROU assets and lease liabilities related to our current operating leases are as follows (in thousands):
| October 31, 2023 | April 30, 2023
Operating lease right-of-use assets, net | $ | 6,816 |  | $ | 7,318 |
Current portion of operating lease liabilities | 1,275 |  | 1,208 |
Non-current portion of operating lease liabilities | 6,775 |  | 7,391 |
As of October 31, 2023, the weighted average remaining operating lease term and the weighted average discount rate were 5.22 years and 5.87%, respectively. Future minimum lease payments due each fiscal year as follows (in thousands):
2024 remaining | $ | 1,431 |
2025 | 2,902 |
2026 | 2,950 |
2027 | 2,916 |
2028 | 2,867 |
Thereafter | 2,392 |
Total undiscounted liabilities | 15,458 |
Less: Imputed interest | (7,408) |
Present value of minimum lease payments | $ | 8,050 |
Refer to Note 5, Property and Equipment, for information on financing leases.

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- Definition The entire disclosure for operating leases of lessee. Includes, but is not limited to, description of operating lease and maturity analysis of operating lease liability. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 842 -SubTopic 20 -Name Accounting Standards Codification -Publisher FASB -URI https://asc.fasb.org//842-20/tableOfContent + Details
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