Subsequent Events (Details) - shares |
Jun. 28, 2019 |
Apr. 30, 2019 |
Apr. 30, 2018 |
|---|---|---|---|
| Subsequent Event [Line Items] | 听 | 听 | 听 |
| Common stock, shares authorized | 听 | 40,000,000 | 40,000,000 |
| Preferred stock, shares authorized | 听 | 1,000,000 | 1,000,000 |
| Subsequent Event [Member] | 听 | 听 | 听 |
| Subsequent Event [Line Items] | 听 | 听 | 听 |
| Common stock, shares authorized | 40,000,000 | 听 | 听 |
| Preferred stock, shares authorized | 1,000,000 | 听 | 听 |
| X | ||||||||||
- Definition The maximum number of common shares permitted to be issued by an entity's charter and bylaws. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
|
| X | ||||||||||
- Definition The maximum number of nonredeemable preferred shares (or preferred stock redeemable solely at the option of the issuer) permitted to be issued by an entity's charter and bylaws. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
|
| X | ||||||||||
- Definition Detail information of subsequent event by type. User is expected to use existing line items from elsewhere in the taxonomy as the primary line items for this disclosure, which is further associated with dimension and member elements pertaining to a subsequent event. No definition available.
|
| X | ||||||||||
- Details
|