Property, plant and equipment at December 31, 2018 and 2017 consists of the following (in thousands):
December 31,
2018
2017
Land
$
—
90
Buildings
15,332
Building improvements
214
5,230
Software, machinery and equipment
27,058
21,350
Property, plant, and equipment
27,272
42,002
Less: accumulated depreciation
(14,403)
(31,588)
Property, plant, and equipment, net
12,869
10,414