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PROPERTY, PLANT, AND EQUIPMENT
 9 Months Ended
Sep. 30, 2015
Property, Plant and Equipment [Abstract]  
PROPERTY, PLANT, AND EQUIPMENT
6.
PROPERTY, PLANT, AND EQUIPMENT
 
Property, plant, and equipment consist of the following as of:
 
 
 
September 30,
 
December 31,
 
(in thousands)
 
2015
 
2014
 
Land
 
$
87
 
$
87
 
Buildings
 
 
3,682
 
 
3,682
 
Machinery, furniture and equipment
 
 
5,440
 
 
4,822
 
Construction in progress
 
 
881
 
 
426
 
 
 
 
10,090
 
 
9,017
 
Less: accumulated depreciation
 
 
(4,257)
 
 
(3,794)
 
Property, Plant and Equipment, net
 
$
5,833
 
$
5,223
 
 
Depreciation expense was $0.2 million for each of the three-month periods ended September 30, 2015 and 2014. Depreciation expense for the nine-month periods ended September 30, 2015 and 2014 totaled $0.5 million and $0.4 million, respectively. During the three and nine-month periods ended September 30, 2015, there was $11 thousand and $26 thousand of interest capitalized into construction in progress, respectively. In the three and nine-month periods ended September 30, 2014, there was no interest capitalized into construction in progress.