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Note 10 - Related Party Transactions and Balances | 3 Months Ended
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Mar. 31, 2024
Notes to Financial Statements |
Related Party Transactions Disclosure [Text Block] | Note 10. Related Party Transactions and Balances 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, 2024 and 2023:
|  | Three Months Ended March 31, |
|  | 2024 |  |  | 2023 |
Equipment purchases and de-install costs |  | $ | 2,416,000 |  |  | $ | 201,000 |
Costs incurred to maintain equipment |  |  | 170,000 |  |  |  | 295,000 |
Total related party transactions |  | $ | 2,586,000 |  |  | $ | 496,000 |
The Company also had commitments to purchase and install Gamma Knife units, purchase a LINAC and MR LINAC system and service the related equipment of $16,625,000 as of March 31, 2024. Related party liabilities on the condensed consolidated balance sheets consist of the following as of March 31, 2024 and December 31, 2023
|  | March 31, |  |  | December 31, |
|  | 2024 |  |  | 2023 |
Accounts payable, asset retirement obligation and other accrued liabilities |  | $ | 1,637,000 |  |  | $ | 2,361,000 |

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