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Leases - Supplemental Balance Sheet Information Related to Leases (Details) $ in Thousands	Apr. 30, 2020 USD ($)
Assets
Operating lease ROU assets	$ 2,187
Liabilities and Stockholders' Equity
Current operating lease liabilities	540
Non-current operating lease liabilities	1,693
Total operating lease liabilities	$ 2,233
Weighted-average remaining lease term (in years)	11 years
Weighted-average discount rate	3.90%

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Present value of lessee's discounted obligation for lease payments from operating lease.

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-Publisher FASB
-Name Accounting Standards Codification
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-SubTopic 20
-Section 45
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Present value of lessee's discounted obligation for lease payments from operating lease, classified as current.

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Present value of lessee's discounted obligation for lease payments from operating lease, classified as noncurrent.

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Amount of lessee's right to use underlying asset under operating lease.

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Weighted average discount rate for operating lease calculated at point in time.

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Weighted average remaining lease term for operating lease, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days.

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