Note G - Economic Dependency (Tables)

6 Months Ended

Dec. 31, 2020

Supplier Concentration Risk [Member]

Notes Tables

Schedules of Concentration of Risk, by Risk Factor [Table Text Block]

	Three Months Ended December 31,				Six Months Ended December 31,
	2020		2019		2020		2019
Supplier 1	$	6,412		1,734	$	9,787		3,227
	$	6,412		1,734	$	9,787		3,227

Customer Concentration Risk [Member]

Notes Tables

Schedules of Concentration of Risk, by Risk Factor [Table Text Block]

	Three Months Ended December 31,				Six Months Ended December 31,
	2020		2019		2020		2019
Customer 1	$	24,827	$	12,422	$	48,785	$	26,776
Customer 2		8,910		5,539		11,716		9,509
	$	33,737	$	17,961	$	60,501	$	36,285