v3.26.3
Note 8 - Segment Information (Tables)
3 Months Ended
Jul. 31, 2026
Notes Tables  
Segment Reporting [Table Text Block]
  

Three Months Ended July 31,

 
  

2026

  

2025

 
         

Gross Margin

 $1,340  $1,140 

Segment operating expenses:

        

Clinical and regulatory

  182,362   190,896 

Research and development

  681,380   764,803 

Operations

  42,887   41,507 

Sales and marketing

  159,729   86,942 

General and administrative

  1,874,072   791,111 

Loss from operations

  (2,939,090)  (1,874,119)

Other income (expense):

        

Interest expense

  (235,261)  (183,688)

Other income

  2,007   2,813 

Total other expense

  (233,254)  (180,875)

Net loss

 $(3,172,344) $(2,054,994)