Note 10 - Related Party Transactions

3 Months Ended

Mar. 31, 2023

Notes to Financial Statements

Related Party Transactions Disclosure [Text Block]

Note 10.    Related Party Transactions 

The Company’s Gamma Knife business is operated through its 81% indirect interest in its GKF subsidiary. The remaining 19% of GKF is owned by a wholly owned U.S. subsidiary of Elekta, which is the manufacturer of the Gamma Knife. Since the Company purchases its Gamma Knife units from Elekta, there are significant related party transactions with Elekta such as equipment purchases, commitments to purchase and service equipment, and costs to maintain the equipment. 

The following table summarizes related party activity for the three-month periods ended March 31, 2023 and 2022:

	Three Months Ended March 31,
	2023		2022
Equipment purchases and de-install costs	$	201,000	$	1,232,000
Costs incurred to maintain equipment		295,000		269,000
Total related party transactions	$	496,000	$	1,501,000

The Company also had commitments to purchase one Icon, install four Icon upgrades, purchase one Gamma Plan workstations and service the related equipment of $20,208,000 as of   March 31, 2023.  

Related party liabilities on the condensed consolidated balance sheets consist of the following as of  March 31, 2023 and December 31, 2022

	March 31,		December 31,
	2023		2022
Accounts payable, asset retirement obligation and other accrued liabilities	$	791,000	$	857,000