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SEGMENT REPORTING (Tables)
12 Months Ended
Dec. 31, 2015
Segment Reporting [Abstract]  
Summary of the Company's segment net sales, gross profit and segment margin
    Years ended December 31,  
Net Sales by Segment   2015     % of net
sales
    2014     % of net
sales
    2013     % of net
sales
 
    (in thousands, except percentages)  
Equipment   $ 87,361       75 %   $ 105,988       82 %   $ 141,138       86 %
Services—Equipment Based Services     29,742       25 %     23,432       18 %     23,301       14 %
—Operational Support Services           0 %           0 %           0 %
Total Sales   $ 117,103       100 %   $ 129,420       100 %   $ 164,439       100 %

 

    Years ended December 31,  
Gross profit/(loss) by Segment   2015     Gross
profit
%
    2014     Gross
profit
%
    2013     Gross
profit
%
 
    (in thousands, except percentages)  
Equipment   $ 21,470       25 %   $ 21,000       20 %   $ 41,250       29 %
Services—Equipment Based Services     6,398       22 %     1,128       5 %     (1,030 )     (4 )%
—Operational Support Services.           0 %           0 %           0 %
Total Gross profit   $ 27,868       24 %   $ 22,128       17 %   $ 40,220       24 %

 

    Years ended December 31,  
Segment Margin and Operating Loss   2015     2014     2013  
    (in thousands)  
Equipment   $ 12,097     $ 6,583     $ 24,047  
Services—Equipment Based Services     6,399       1,105       (1,037 )
—Operational Support Services           (22 )     (2,112 )
Total segment margin     18,496       7,666       20,898  
General and Corporate     (23,485 )     (21,739 )     (34,131 )
Operating Loss   $ (4,989 )   $ (14,073 )   $ (13,233 )
Schedule of sales data by geographical area
    Years Ended December 31,  
    2015     % of net
sales
    2014     % of net
sales
    2013     % of net
sales
 
    (in thousands, except percentages)  
Net Sales by Region                                                
China   $ 9,490       8 %   $ 15,465       12 %   $ 6,945       4 %
Japan     57,483       49 %     58,999       46 %     93,203       57 %
India     34,836       30 %     37,424       29 %     26,595       16 %
Taiwan     7,904       7 %     6,706       5 %     13,332       8 %
Other     7,390       6 %     10,826       8 %     24,364       15 %
Total   $ 117,103       100 %   $ 129,420       100 %   $ 164,439       100 %
Schedule of long-lived assets, consisting of property, plant and equipment, by geographical area
    December 31,  
    2015     2014  
    (in thousands)  
China   $ 1,100     $ 1,988  
Other     410       1,049  
Total long-lived assets   $ 1,510     $ 3,037