5. Property, Plant and Equipment and Assets Held for Sale

The Company’s property, plant and equipment consisted of the following:

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During the three months ended March 31, 2024 and 2023, the Company recognized depreciation expense of $1,548 and $1,975, respectively. Depreciation expense is included in cost of goods sold and depreciation and amortization in the condensed consolidated statements of operations and comprehensive loss.

On February 15, 2023, the Company completed the sale and leaseback of its facility in White Haven, Pennsylvania (the “White Haven Facility”) to the buyer (the “Pennsylvania Transaction”). The Company received cash proceeds of $15,000 and derecognized the property, plant and equipment with a net carrying value of $6,599, resulting in a gain on sale of assets of $8,401. See Note 12 — Leases for additional information.

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Assets Held for Sale

During the six months ended June 30, 2023, it was determined that the assets held for sale had a fair market value less costs to sell of zero. As a result, the Company recorded an impairment loss of $325 to bring these assets held for sale to fair market value less costs to sell. This loss is included in impairment loss and loss on disposal of assets in the condensed consolidated statements of operations and comprehensive loss, and the assets are still held for sale as of March 31, 2024.