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Leases (Tables) | 12 Months Ended
--- | ---
Apr. 30, 2020
Leases |
Schedule of components of lease costs | ​
​ | ​ | ​ | ​
​ | ​ | Year Ended
​ | ​ | April 30,
​ |  | 2020
Operating lease cost | ​ | $ | 4,574
Short term lease cost | ​ | ​ | 500
Variable lease cost | ​ | ​ | 987
Sublease income | ​ | ​ | (287)
Total lease costs, net | ​ | $ | 5,774
Schedule of supplemental lease information | Supplemental lease information were as follows: ​
​ | ​ | ​ | ​
​ | ​ | Year Ended
​ | ​ | April 30,
​ |  | 2020
​ | ​ | (In thousands)
Cash paid for amounts included in the measurement of operating lease liabilities | ​ | $ | 3,897
Right-of-use assets obtained in exchange for new lease liabilities | ​ | $ | 13,022
​ | ​ | ​ | ​
Weighted average remaining lease term | ​ | ​ | 34 months
Weighted average discount rate | ​ | ​ | 3.7%
Schedule of maturities of operating lease liabilities - ASC 842 | Maturities of operating lease liabilities as of April 30, 2020 were as follows (in thousands): ​
​ | ​ | ​ | ​
2021 | ​ | $ | 4,222
2022 | ​ |  | 3,910
2023 | ​ |  | 2,171
2024 | ​ |  | 1,055
2025 | ​ |  | 62
Thereafter | ​ | ​ | —
Total lease payments | ​ | ​ | 11,420
Less: imputed interest | ​ | ​ | (1,207)
Total present value of operating lease liabilities | ​ | $ | 10,213
Schedule of maturities of operating lease liabilities - ASC 840 | Maturities of operating lease liabilities as of April 30, 2019 were as follows: ​
​ | ​ | ​ | ​
2020 | ​ | $ | 5,298
2021 | ​ | ​ | 3,527
2022 | ​ |  | 2,723
2023 | ​ |  | 1,554
2024 | ​ |  | 953
Thereafter | ​ |  | —
Total lease payments | ​ | $ | 14,055

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- Definition Tabular disclosure of lessee's lease cost. Includes, but is not limited to, interest expense for finance lease, amortization of right-of-use asset for finance lease, operating lease cost, short-term lease cost, variable lease cost and sublease income. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 842 -SubTopic 20 -Section 50 -Paragraph 4 -URI http://asc.fasb.org/extlink&oid=77888426&loc=SL77918686-209980 + Details
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- Definition Tabular disclosure of undiscounted cash flows of lessee's operating lease liability. Includes, but is not limited to, reconciliation of undiscounted cash flows to operating lease liability recognized in statement of financial position. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 842 -SubTopic 20 -Section 50 -Paragraph 6 -URI http://asc.fasb.org/extlink&oid=77888426&loc=SL77918701-209980 + Details
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- Definition Tabular disclosure of future minimum payments required in the aggregate and for each of the five succeeding fiscal years for operating leases having initial or remaining noncancelable lease terms in excess of one year and the total minimum rentals to be received in the future under noncancelable subleases as of the balance sheet date. + References Reference 1: http://fasb.org/us-gaap/role/ref/otherTransitionRef -Publisher FASB -Name Accounting Standards Codification -Topic 840 -SubTopic 20 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=77902758&loc=d3e41502-112717 + Details
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