Annual report pursuant to Section 13 and 15(d)

Subsequent Events (Details)

v3.19.2
Subsequent Events (Details) - shares
Jun. 28, 2019
Apr. 30, 2019
Apr. 30, 2018
Subsequent Event [Line Items]      
Common stock, shares authorized   40,000,000 40,000,000
Preferred stock, shares authorized   1,000,000 1,000,000
Subsequent Event [Member]      
Subsequent Event [Line Items]      
Common stock, shares authorized 40,000,000    
Preferred stock, shares authorized 1,000,000