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Property and Equipment
12 Months Ended
Dec. 31, 2017
Property, Plant and Equipment [Abstract]  
Property and Equipment
 Property and Equipment

Property and equipment consists of the following at December 31, 2017 and 2016 (in thousands):

 
Useful Lives (Years)
 
2017
 
2016
Land
 
$
1,290

 
$
169

Building
39
 
6,116

 
6,856

Leasehold improvements
39
 
808

 
794

Office equipment and furniture
5
 
1,490

 
1,454

Software
5
 
573

 
573

Machinery and equipment
7
 
3,133

 
3,111

Vehicles
3
 
5,516

 
6,063

Total

 
18,926

 
19,020

Less accumulated depreciation
 
 
(11,274
)
 
(11,267
)
Total
 
 
$
7,652

 
$
7,753


 
Depreciation expense for property and equipment was $1.2 million, $1.4 million and $1.6 million for the year ended December 31, 2017, 2016 and 2015, respectively.

In 2017, the Midland fabrication facility suffered two separate damages, due to hailstorms. We did not incur a loss, as our insurance proceed fully cover the estimated cost for the repair. In accordance with ASC 605-40, we reduced the value of the building for these damages.