• Filing Date: 2019-07-11
  • Form Type: 10-K
  • Description: Annual report
v3.19.2
Income Taxes (Narrative) (Details)
12 Months Ended
Apr. 30, 2019
Effective Income Tax Rate Reconciliation, Change in Deferred Tax Assets Valuation Allowance 80.00%
Earliest Tax Year [Member]  
Effective Income Tax Rate Reconciliation, at Federal Statutory Income Tax Rate 35.00%
Latest Tax Year [Member]  
Effective Income Tax Rate Reconciliation, at Federal Statutory Income Tax Rate 21.00%