(a) Other items in the above table includes a $5.7 million one-time charge for a net litigation fee reimbursement and a $2.5 million one-time impairment on our patents held for sale during the three months ended March 31, 2023 and $0.5 million of restructuring costs during the three months ended March 31, 2022.
(b) Other non-operating items includes $0.2 million of gains from observable price changes of our long-term strategic investments during the three months ended March 31, 2023.

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