Significant Accounting Policies (Schedule of Property and Equipment Useful Lives) (Details) |
9 Months Ended |
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Jan. 31, 2019 | |
| Call center equipment [Member] | Ìý |
| Property, Plant and Equipment [Line Items] | Ìý |
| Useful Life | 5 years |
| Computer And Office Equipment [Member] | Ìý |
| Property, Plant and Equipment [Line Items] | Ìý |
| Useful Life | 5 years |
| Furniture and Fixtures [Member] | Ìý |
| Property, Plant and Equipment [Line Items] | Ìý |
| Useful Life | 7 years |
| Library (online) [Member] | Ìý |
| Property, Plant and Equipment [Line Items] | Ìý |
| Useful Life | 3 years |
| Software [Member] | Ìý |
| Property, Plant and Equipment [Line Items] | Ìý |
| Useful Life | 5 years |
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- 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. No definition available.
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- Definition Useful life of long lived, physical assets used in the normal conduct of business and not intended for resale, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. Examples include, but not limited to, land, buildings, machinery and equipment, office equipment, furniture and fixtures, and computer equipment. No definition available.
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