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Supplementary Balance Sheet Information (Notes)
12 Months Ended
Dec. 31, 2015
Supplementary Balance Sheet Disclosures [Abstract]  
Supplementary Balance Sheet Information
Supplementary Balance Sheet Information (in thousands):
 
 
December 31,
2015
 
December 31,
2014
Inventories:
 
 
 
 
Raw materials
 
$
2,600

 
$
2,439

Work-in-process
 
1,649

 
2,560

Finished goods
 
851

 
558

Total inventories
 
5,100

 
5,557

Less reserve for excess and obsolete inventories
 
(719
)
 
(1,913
)
Total inventories, net
 
$
4,381

 
$
3,644

 
 
December 31,
2015
 
December 31,
2014
Property and equipment:
 
 
 
 
Machinery and equipment
 
$
25,254

 
$
23,412

Computer hardware and software
 
3,555

 
2,917

Leasehold improvements
 
583

 
571

Total property and equipment
 
29,392

 
26,900

Less accumulated depreciation
 
(23,140
)
 
(22,134
)
Total property and equipment, net
 
$
6,252

 
$
4,766

 
 
December 31, 2015
 
 
Weighted Average Useful Life (years)
 
Gross Carrying Amount
 
Accumulated Amortization
 
Intangible Assets, Net (1)
Intangible assets with finite useful lives:
 

 

 

 

Customer relationships
 
8.2
 
$
5,489

 
$
(3,259
)
 
$
2,230

Trademarks
 
8.0
 
787

 
(150
)
 
637

Patents
 
14.6
 
141

 
(125
)
 
16

Covenants not to compete
 
5.0
 
251

 
(55
)
 
196

Total intangible assets, net
 

 
$
6,668

 
$
(3,589
)
 
$
3,079

 
 
 
 
 
 
 
 
 
 
 
December 31, 2014
 
 
Weighted Average Useful Life (years)
 
Gross Carrying Amount
 
Accumulated Amortization
 
Intangible Assets, Net (1)
Intangible assets with finite useful lives:
 

 


 


 


Customer relationships
 
8.6
 
$
4,850

 
$
(2,904
)
 
$
1,946

Trademarks
 
9.0
 
600

 
(53
)
 
547

Patents
 
13.2
 
141

 
(116
)
 
25

Covenants not to compete
 
5.0
 
70

 
(11
)
 
59

Total intangible assets, net
 

 
$
5,661

 
$
(3,084
)
 
$
2,577

(1)
Amortization expense for intangible assets, net for the years ended December 31, 2015, 2014, and 2013 was $0.5 million, $0.4 million, and $0.2 million, respectively. Estimated amortization expense for intangible assets for 2016 is $0.5 million, for 2017 is $0.5 million, for 2018 is $0.5 million, for 2019 is $0.5 million, for 2020 is $0.4 million, and thereafter is $0.7 million.

 
 
December 31,
2015
 
December 31,
2014
Other current liabilities:
 
 
 
 
Professional fees
 
$
1,006

 
$
333

Sales and property taxes payable
 
268

 
197

Radiopharmaceuticals and consumable medical supplies
 
83

 
177

Current portion of capital lease obligation
 
724

 
348

Facilities and related costs
 
127

 
155

Outside services and consulting
 
258

 
151

Other accrued liabilities
 
532

 
428

Total other current liabilities
 
$
2,998

 
$
1,789