Note 9 - Other Income (Expense) (Tables)

9 Months Ended

Sep. 30, 2022

Notes Tables

Schedule of Other Nonoperating Income (Expense) [Table Text Block]

	Three Months Ended					Nine Months Ended
	September 30,					September 30,
	2022		2021			2022		2021
	(000's)					(000's)
Interest income	$	623	$	1		$	1,066	$	25
Interest expense		—		(78	)		—		(331	)
Realized gain on disposal of equipment		—		(44	)		70		—
Total other income (expense)	$	623	$	(121	)	$	1,136	$	(306	)