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PROPERTY AND EQUIPMENT
12 Months Ended
Dec. 31, 2016
Property, Plant and Equipment [Abstract]  
PROPERTY AND EQUIPMENT
(3)   PROPERTY AND EQUIPMENT
 
Cost, accumulated depreciation, and the related estimated useful lives of property and equipment as of December 31, 2016 and 2015 are as follows:
 
 
 
2016
 
2015
 
Useful   lives
Office furniture and equipment
 
$
911
 
$
911
 
3-7 years
Rental inventory
 
 
1,411
 
 
1,216
 
5 years
Vehicles
 
 
76
 
 
76
 
5 years
Leasehold improvements
 
 
 
 
 
104
 
2-6 years
Assembly equipment
 
 
125
 
 
125
 
7 years
 
 
 
2,523
 
 
2,432
 
 
Less accumulated depreciation
 
 
(1,943)
 
 
(1,631)
 
 
 
 
$
580
 
$
801
 
 
 
Depreciation expense recorded on property and equipment for 2016 and 2015 totaled $395 and $367, respectively of which $251 and $142, respectively of rental inventory depreciation was included in cost of revenues.