SEGMENT CUSTOMERS AND GEOGRAPHICAL INFORMATION
 6 Months Ended
Jun. 30, 2017
Segment Reporting [Abstract]  
SEGMENT CUSTOMERS AND GEOGRAPHICAL INFORMATION

15. SEGMENT, CUSTOMERS AND GEOGRAPHICAL INFORMATION 

The Company has two reportable geographic segments; see Note 1 for a brief description of the Company’s business. 

The following data presents the revenues, expenditures and other operating data of the Company’s geographic operating segments and presented in accordance with ASC No. 280.

    Six months ended June 30, 2017 (unaudited)  
    DPC     DPL     Eliminations     Total  
                         
Revenues   $ 2,329     $ 1,121     $ —     $ 3,450  
Inter-segment revenues   $ 37     $ —     $ (37 )   $ —  
Total revenues   $ 2,366     $ 1,121     $ (37 )   $ 3,450  
                                 
Depreciation and amortization expense   $ 43     $ 37     $ —     $ 80  
                                 
Operating income (loss)   $ (2,140 )   $ (91 )   $ —     $ (2,231 )
                                 
Other income, net                           $ (614 )
                                 
Net loss attributable to non-controlling interest                           $ 112  
                                 
Net income (loss)                           $ (2,733 )
                                 
Capital expenditures for segment assets, as of June 30, 2017   $ 8     $ 13     $ —     $ 21  
                                 
Identifiable assets as of June 30, 2017   $ 12,315     $ 1,666     $ —     $ 13,981  

    Six months ended June 30, 2016 (unaudited)  
    DPC     DPL     Eliminations     Total  
                         
Revenues   $ 2,160     $ 1,617     $ —     $ 3,777  
Inter-segment revenues   $ 62     $ —     $ (62 )   $ —  
Total revenues   $ 2,222     $ 1,617     $ (62 )   $ 3,777  
                                 
Depreciation and amortization expense   $ 38     $ 45     $ —     $ 83  
                                 
Operating income (loss)   $ (181 )   $ (8 )   $ —     $ (189 )
                                 
Interest income, net                           $ 62  
                                 
Net income (loss)                           $ (127 )
                                 
Capital expenditures for segment assets, as of June 30, 2016   $ 23     $ 51     $ —     $ 74  
                                 
Identifiable assets as of June 30, 2016   $ 2,157     $ 2,407     $ —     $ 4,564  

    Three months ended June 30, 2017 (unaudited)  
    DPC     DPL     Eliminations     Total  
                         
Revenues   $ 1,316     $ 506     $ —     $ 1,822  
Inter-segment revenues   $ 12     $ —     $ (12 )   $ —  
Total revenues   $ 1,328     $ 506     $ (12 )   $ 1,822  
                                 
Depreciation and amortization expense   $ 27     $ 20     $ —     $ 47  
                                 
Operating income (loss)   $ (1,396 )   $ (48 )   $ —     $ (1,444 )
                                 
Interest expense, net                           $ (407 )
                                 
Net loss attributable to non-controlling interest                           $ 112  
                                 
Net income (loss)                           $ (1,739 )
                                 
Capital expenditures for segment assets, as of June 30, 2017   $ 8     $ 11     $ —     $ 19  
                                 
Identifiable assets as of June 30, 2017   $ 12,315     $ 1,666     $ —     $ 13,981  

  Three months ended June 30, 2016 (unaudited)  
    DPC     DPL     Eliminations     Total  
                         
Revenues   $ 1,212     $ 852     $ —     $ 2,064  
Inter-segment revenues   $ 6     $ —     $ (56 )   $ —  
Total revenues   $ 1,268     $ 852     $ (56 )   $ 2,064  
                                 
Depreciation and amortization expense   $ 19     $ 24     $ —     $ 43  
                                 
Operating income (loss)   $ 33     $ (22 )   $ —     $ 11  
                                 
Other income, net                           $ 55  
                                 
Net income (loss)                           $ 66  
                                 
Capital expenditures for segment assets, as of June 30, 2016   $ —     $ 3     $ —     $ 3  
                                 
Identifiable assets as of June 30, 2016   $ 2,157     $ 2,407     $ —     $ 4,564  

The following table provides the percentage of total revenues attributable to a single customer from which 10% or more of total revenues are derived:

  For the three months ended June 30, 2017     For the six months ended June 30, 2017  
                         
    Total Revenues           Total Revenues        
    by Major     Percentage of     by Major     Percentage of  
    Customers     Total Company     Customers     Total Company  
    (in thousands)     Revenues     (in thousands)     Revenues  
Customer A   $ 320       19 %   $ 629       18 %

    For the three months ended June 30, 2016     For the six months ended June 30, 2016  
                         
    Total Revenues           Total Revenues        
    by Major     Percentage of     by Major     Percentage of  
    Customers     Total Company     Customers     Total Company  
    (in thousands)     Revenues     (in thousands)     Revenues  
Customer A   $ 443       21 %   $ 768       20 %
Customer B   $ 287       14 %   $ —       —  

Revenue from Customer A was attributable to Digital Power and revenue from Customer B and C attributable to DP Limited. 

For the three and six months ended June 30, 2017 and 2016, total revenues from external customers divided on the basis of the Company’s product lines are as follows: 

    For the Three Months Ended June 30,     For the Six Months Ended June 30,  
    2017     2016     2017     2016  
                         
Revenues:                        
Commercial products   $ 1,083     $ 1,413     $ 2,023     $ 2,460  
Defense products     739       651       1,427       1,317  
Total revenues   $ 1,822     $ 2,064     $ 3,450     $ 3,777  

Financial data relating to geographic areas: 

The Company’s total revenues are attributed to geographic areas based on the location. The following table presents total revenues for the three and six months ended June 30, 2017 and 2016. Other than as shown, no foreign country contributed materially to revenues or long-lived assets for these periods:

    For the Three Months Ended June 30,     For the Six Months Ended June 30,  
    2017     2016     2017     2016  
                         
Revenues:                        
North America   $ 1,184     $ 1,287     $ 2,180     $ 2,226  
Europe     386       490       901       1,244  
South Korea     116       287       219       297  
Other     136       -       150       10  
Total revenues   $ 1,822     $ 2,064     $ 3,450     $ 3,777