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Inventories
3 Months Ended
Mar. 31, 2015
Inventory, Net [Abstract]  
Inventories
6.
Inventories
 
Inventories at March 31, 2015 and December 31, 2014 consisted of the following (in thousands):
 
 
 
March 31,
 
December 31,
 
 
 
2015
 
2014
 
Finished systems
 
$
-
 
$
-
 
Raw materials and service parts
 
 
422
 
 
422
 
Work in progress
 
 
421
 
 
421
 
 
 
 
843
 
 
843
 
Less: Reserve for obsolete inventory
 
 
(513)
 
 
(513)
 
 
 
$
330
 
$
330
 
 
Inventories are stated at the lower of cost or market.  Cost is determined using the first-in, first-out (FIFO) method of inventory valuation.  The Company evaluated the reserve as of March 31, 2015 and December 31, 2014.