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Revenue Recognition (Tables)
9 Months Ended
Sep. 30, 2017
Revenue Recognition [Abstract]  
Product Revenues, Classified by Geographic Location

Product revenues, classified by geographic location, are as follows (in thousands):

 

 

 

Three months ended

 

 

Nine months ended

 

 

 

September 30, 2017

 

 

September 30, 2016

 

 

September 30, 2017

 

 

September 30, 2016

 

 

 

Product

Revenues

 

 

% of

Total

 

 

Product

Revenues

 

 

% of

Total

 

 

Product

Revenues

 

 

% of

Total

 

 

Product

Revenues

 

 

% of

Total

 

Americas

 

$

112

 

 

 

24

%

 

$

79

 

 

 

11

%

 

$

315

 

 

 

15

%

 

$

670

 

 

 

21

%

Japan

 

 

279

 

 

 

60

%

 

 

575

 

 

 

79

%

 

 

1,434

 

 

 

71

%

 

 

2,232

 

 

 

70

%

EMEA

 

 

18

 

 

 

4

%

 

 

76

 

 

 

10

%

 

 

204

 

 

 

10

%

 

 

281

 

 

 

9

%

Asia Pacific

 

 

58

 

 

 

12

%

 

 

1

 

 

 

0

%

 

 

74

 

 

 

4

%

 

 

7

 

 

 

0

%

Total product revenues

 

$

467

 

 

 

100

%

 

$

731

 

 

 

100

%

 

$

2,027

 

 

 

100

%

 

$

3,190

 

 

 

100

%