Note F - Economic Dependency (Tables)

9 Months Ended

Mar. 31, 2019

Supplier Concentration Risk [Member]

Notes Tables

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

	Three Months Ended March 31,				Nine months Ended March 31,
	2019		2018		2019		2018
Supplier 1	$	(a)	(a)		$	6,312	(a)
Supplier 2		(a)		2,076	(a)			5,068
	$	-		2,076	$	6,312		5,068

Customer Concentration Risk [Member]

Notes Tables

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

	Three Months Ended March 31,				Nine months Ended March 31,
	2019		2018		2019		2018
Customer 1	$	18,731	$	17,229	$	58,396	$	49,521
Customer 2		7,294		3,668		17,220		10,908
	$	26,025	$	20,897	$	75,616	$	60,429