XML 23 R9.htm IDEA: XBRL DOCUMENT v3.10.0.1
BALANCE SHEET COMPONENTS
 12 Months Ended
Dec. 31, 2018
Organization, Consolidation and Presentation of Financial Statements [Abstract]  
BALANCE SHEET COMPONENTS
(3)   
BALANCE SHEET COMPONENTS
 
The components of certain balance sheet line items are as follows (in thousands):
 
 
 
December 31,
 
 
 
2018
 
 
2017
 
Property and equipment:
 
 
 
 
 
 
 
 
Office furniture and equipment
 
$
1,172
 
 
$
998
 
Assembly equipment
 
 
128
 
 
 
128
 
Vehicles
 
 
184
 
 
 
76
 
Leasehold improvements
 
 
480
 
 
 
-
 
Leased devices
 
 
317
 
 
 
-
 
 
 
 
2,281
 
 
 
1,202
 
Less accumulated depreciation
 
 
(1,462
)
 
 
(1,014
)
 
 
$
819
 
 
$
188
 
 
 
 
 
 
 
 
 
 
 
 
December 31,
 
 
 
2018
 
 
2017
 
Assets acquired under capital lease:
 
 
 
 
 
 
 
 
Original book value
 
$
461
 
 
$
461
 
Accumulated depreciation
 
 
(441
)
 
 
(379
)
Net book value
 
$
20
 
 
$
82
 
 
The Company monitors devices out on lease for potential loss and places an estimated reserve on the net book value based on historical loss rates.
 
Total depreciation expense related to our purchased property and equipment was $0.2 million and $0.1 million for the years ended December 31, 2018 and 2017, respectively.
 
Total depreciation expense related to devices out on lease was $0.3 million for the years ended December 31, 2018 and 2017. Depreciation  on leased units is reflected on the income statement as cost of revenue.
 
Included in office furniture and equipment at December 31, 2018 and 2017 are assets under capital lease. Depreciation expense related to assets under capital leases was approximately $0.1 million for the years ended December 31, 2018 and 2017.
 
During the year ending December 31, 2017, rental inventory of $ 0.2 million was written off.