5. Impairment of Assets

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If facts and circumstances indicate that a long-lived asset or operating lease right-of-use asset may be impaired, the carrying value is reviewed. If this review indicates that the carrying value of the asset will not be recovered as determined based on projected undiscounted cash flows related to the asset over its remaining life, the carrying value of the asset is reduced to its estimated fair value. Non-cash impairment expenses consisted of the following (in thousands):

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