Note 11 - Related Party Transactions (Tables)

12 Months Ended

Dec. 31, 2022

Notes Tables

Schedule of Related Party Transactions [Table Text Block]

	December 31,
	2022		2021
Equipment purchases and de-install costs	$	1,844,000	$	1,906,000
Costs incurred to maintain equipment		1,094,000		759,000
Total related party transactions	$	2,938,000	$	2,665,000

	December 31,
	2022		2021
Accounts payable and other accrued liabilities	$	497,000	$	1,992,000