pre_text: Note 8 — Property, Plant and Equipment, net The components of property, plant and equipment, net, are: The estimated useful lives of buildings and improvements and rental property are twenty to twenty-five years. The estimated useful lives of furniture and equipment range from three to eight years. Depreciation expense from continuing operations was $1.5 million and $1.2 million for 2019 and 2018, respectively. The Company leases a portion of its headquarters facility to various tenants. Net rent received from these leases totaled $0.3 million and $0.4 million for 2019 and 2018, respectively.
table: December 31,
table: (in thousands)
table: 2019 2018
table: Land $199 $199
table: Building and improvements 6,983 6,983
table: Rental property 2,749 2,749
table: Software 12,015 2,226
table: Furniture and equipment 11,755 10,274
table: Construction in process 480 8,519
table: 34,181 30,950
table: Less accumulated depreciation (19,830) (18,375)
table: $ 14,351 $ 12,575
question: Analyse this data from a financial earnings document. What is the change in accumulated depreciation between December 31, 2018 and 2019?