Plant, Equipment and Leasehold Improvements

9 Months Ended

Sep. 30, 2019

Plant, Equipment and Leasehold Improvements

Plant, Equipment and Leasehold Improvements

6. Plant, Equipment and Leasehold Improvements

Plant, equipment and leasehold improvements consisted of the following:

	September 30, 2019		December 31, 2018
Machinery and equipment	$	53,647	$	62,067
Machinery and equipment under financing leases		7,014		1,812
Furniture, fixtures and computer equipment		4,456		7,730
Leasehold improvements		14,892		19,651
Construction in progress		1,188		1,596
		81,197		92,856
Less accumulated depreciation		(44,338)		(53,746)
Operating lease right-of-use assets, net of accumulated amortization		6,796		—
	$	43,655	$	39,110

Depreciation expense of plant, equipment and leasehold improvements, including depreciation of assets under financing leases, was $3,105  and $3,093 for the three months ended September 30, 2019 and 2018, respectively, and $9,268 and $10,641 for the nine months ended September 30, 2019, and 2018, respectively.

Operating lease right-of-use assets, net of amortization, are further described in Note 1, Business Overview and Summary of Significant Accounting  Policies.