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Segment Reporting and Geographic Information (Tables)
 12 Months Ended
Dec. 31, 2015
Segment Reporting [Abstract]  
Summary of Segmented Data

The following tables represent segmented data for the years ended December 31, 2015 and 2014:

 

    Energy & Security Sonar Solutions     GridSense     M2M     Other     Total  
Year ended December 31, 2015:                                        
Revenues from external customers   $ 12,093     $ 2,507     $ 2,513     $ 1,942     $ 19,055  
Intersegment revenues     —       —       —       —       —  
Segment gross profit     3,834       20       1,472       861       6,187  
Impairment of goodwill and intangibles     —       1,562       —       —       1,562  
Restructuring and related charges     —       —       —       —       —  
Depreciation and amortization     185       158       70       42       455  
Segment income (loss) before income taxes     (195 )     (3,921 )     (1,437 )     104       (5,449 )
Segment assets     15,777       1,107       1,691       739       19,314  
Expenditures for segment assets     114       5       --       18       137  
                                         
Year ended December 31, 2014:                                        
Revenues from external customers   $ 11,200     $ 4,493     $ 2,174     $ 1,693     $ 19,560  
Intersegment revenues     —       —       —       —       —  
Segment gross profit     3,272       1,297       1,182       888       6,638  
Impairment of goodwill and intangibles     —       1,773       —       —       1,773  
Restructuring and related charges     —       198       76       20       294  
Depreciation and amortization     287       242       69       48       646  
Segment loss before income taxes     (414 )     (4,831 )     (1,698 )     99       (6,844 )
Segment assets     13,367       3,680       1,663       865       19,575  
Expenditures for segment assets     278       6       —       44       328  
Schedule of Reconciliation of Segment Data to Consolidated Statement of Operations

The following tables represent a reconciliation of the segment data to consolidated statement of operations and balance sheet data for the years ended and as of December 31, 2014 and 2015:

 

    Year ended
December 31,		  
    2014     2015  
Total net loss before income taxes for reportable segments   $ (6,943 )   $ (5,553 )
Other operational segment net income (loss) before income taxes     99       104  
Segment loss before income taxes     (6,844 )     (5,449 )
Unallocated net income (cost) of DSIT headquarters     109       120  
Unallocated net cost of corporate headquarters*     (3,560 )     (4,029 )
 Consolidated net loss before taxes on income   $ (10,295 )   $ (9,358 )

 

* Includes $830 and $582 of stock compensation expense for the years ended December 31, 2014 and 2015, respectively. In the year ended December 31, 2015, includes $225 of interest expense associated with the LT Loan (see Note 3).
Reconciliation of Segment Data to Consolidated Statement Balance Sheet

    As of December 31,  
    2014       2015  
Assets:                
Total assets for reportable segments   $ 18,710     $ 18,575  
Total assets of other operational segment     865       739  
Assets of discontinued operations     143       —  
Unallocated assets of DSIT headquarters     4,580       4,367  
Unallocated assets of OmniMetrix headquarters     507       397  
Assets of corporate headquarters *     4,738       252  
Total consolidated assets   $ 29,543     $ 24,330  

 

* Includes $4,672 and $84 of unrestricted cash at December 31, 2014 and 2015, respectively.
Reconciliation of Segment Assets - Other Significant Items

Other Significant Items   Segment Totals     Adjustments     Consolidated Totals  
Year ended December 31, 2015                        
Depreciation and amortization   $ 455       17       472  
Expenditures for assets     137       27       164  
Year ended December 31, 2014                        
Depreciation and amortization   $ 646     $ 2     $ 648  
Expenditures for assets     328       65       393  
Schedule of Revenue from External Customers by Geographical Areas

Other adjustments are primarily unallocated DSIT and corporate headquarters data which are not included in the segment information. None of the other adjustments are significant.

 

   

Year ended

December 31,

  
    2014     2015  
Revenues based on location of customer:                
United States   $ 5,279     $ 4,900  
Israel     7,155       7,699  
Asia     4,406       5,587  
Oceania     1,725       548  
Other     995       321  
    $ 19,560     $ 19,055  
Schedule of Long Lived Assets by Geographic Areas

    December 31,
    2014     2015
Long-lived assets located in the following countries:              
United States   $ 442     $ 322
Israel     638       655
    $ 1,080     $ 977
Revenues, Accounts Receivable and Unbilled Revenue from Major Customers

All significant revenue, accounts receivable and unbilled revenue balances are with respect to customers in the Energy & Security Sonar Solutions segment.

 

      Revenue     Accounts Receivable     Unbilled Revenue  
      2014     2015     2014     2015     2014     2015  
Customer     Balance     %     Balance     %     Balance     %     Balance     %     Balance     %     Balance     %  
A       *       *     $ 2,701       14 %     *       *       *       *       *       *       *       *  
B     $ 3,997       20 %   $ 2,735       14 %   $ 1,135       23 %   $ 1,844       28 %   $ 2,788       35 %   $ 1,507       39 %
C       *       *     $ 2,889       15 %     *       *     $ 1,049       16 %     *       *     $ 1,087       28 %
D     $ 1,940       10 %   $ 2,200       12 %     *       *     $ 834       12 %   $ 1,402       18 %     *       *  
E       *       *       *       *       *       *     $ 1,112       17 %   $ 979       12 %     *       *  
F       *       *       *       *       *       *       *       *       *       *     $ 408       11 %
G       *       *       *       *       *       *       *       *     $ 1,266       16 %     *       *  

 

* Balance is not significant