Note 11 - Revenue Recognition (Tables)

9 Months Ended

Jul. 31, 2022

Notes Tables

Revenue from External Customers by Geographic Areas [Table Text Block]

	Three months ended				Nine months ended
	July 31,				July 31,
	2022		2021		2022		2021
United States	$	14,667,822	$	12,922,510	$	41,604,490	$	35,007,855
Outside the United States		2,714,818		2,712,250		7,419,023		8,244,592
Total net sales	$	17,382,640	$	15,634,760	$	49,023,513	$	43,252,447