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Inventories (Tables)
6 Months Ended
Jun. 30, 2015
Inventory Disclosure [Abstract]  
Inventories

Inventories consisted of the following at June 30, 2015 (unaudited) and December 31, 2014 (in thousands):

 

June 30, 2015

 

 

December 31, 2014

 

 

(in thousands)

 

Raw materials

$

906

 

 

$

940

 

Work-in-process

 

1,312

 

 

 

1,902

 

 

 

2,218

 

 

 

2,842

 

Less: allowance

 

(108

)

 

 

(73

)

Total inventories

$

2,110

 

 

$

2,769