XML 26 R43.htm IDEA: XBRL DOCUMENT v3.20.1
NOTE 4 - INVENTORIES: Schedule of Inventory, Current (Tables)
9 Months Ended
Jan. 31, 2019
Tables/Schedules  
Schedule of Inventory, Current   

  

January 31, 2020

(unaudited)

April 30, 2019

Raw materials

   $    6,166,752

$    5,639,260

Work in process

         3,098,863

       3,426,545

Finished goods

         3,549,358

       2,926,151

  Inventories, gross

      12,814,973

     11,991,956

Less: reserve for obsolete inventory

                         0

                       0

  Inventories, net

   $ 12,814,973

$ 11,991,956