Plant, Equipment, Leasehold Improvements and Operating Lease Right-of-Use Assets

3 Months Ended

Mar. 31, 2022

Plant, Equipment, Leasehold Improvements and Operating Lease Right-of-Use Assets

Plant, Equipment, Leasehold Improvements and Operating Lease Right-of-Use Assets

5. Plant, Equipment, Leasehold Improvements and Operating Lease Right-of-Use Assets

Plant, equipment, leasehold improvements and operating lease right-of-use assets consisted of the following:

	March 31, 2022		December 31, 2021
Machinery and equipment	$	65,916	$	64,051
Machinery and equipment under financing leases		12,630		9,088
Furniture, fixtures and computer equipment		5,641		4,570
Leasehold improvements		14,456		14,142
Construction in progress		3,421		5,268
		102,064		97,119
Less accumulated depreciation and amortization		(64,517)		(61,937)
Operating lease right-of-use assets, net of accumulated amortization		12,416		12,069
	$	49,963	$	47,251

Depreciation expense of plant, equipment and leasehold improvements, including depreciation of assets under financing leases, was $2,643 and $3,073 for the three months ended March 31, 2022 and 2021, respectively.

Operating lease right-of-use assets, net of accumulated amortization, are further described in Note 9, “Financing and Operating Leases.”