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Consolidated Statements of Cash Flows - USD ($)
$ in Thousands
 12 Months Ended
Dec. 31, 2015
Dec. 31, 2014
Cash flows used in operating activities:    
Net loss $ (10,802) $ (29,599)
Adjustments to reconcile net loss to net cash used in operating activities (see Schedule A) 11,613 22,475
Net cash provided by (used in) operating activities - continuing operations 811 (7,124)
Net cash used in operating activities - discontinued operations (1,792) (11,093)
Net cash used in operating activities (981) (18,217)
Cash flows provided by (used in) investing activities:    
Acquisitions of property and equipment (164) (393)
Restricted deposits (5,071) (1,008)
Release of restricted deposits 1,065 $ 197
Escrow deposit (100)
Amounts funded for severance assets $ (164) $ (179)
Loan to Channel Partner (640)
Repayment of loan from Channel Partner 400
Net cash used in investing activities - continuing operations $ (4,434) (1,623)
Net cash provided by (used in) investing activities - discontinued operations 725 (184)
Net cash used in investing activities $ (3,709) (1,807)
Cash flows provided by (used in) financing activities:    
Proceeds from capital raises, net of transaction costs 4,006
Short-term bank credit, net $ (2,311) $ 3,147
Proceeds from Leap Tide transaction 2,000
Proceeds from outside investment in OmniMetrix $ 1,000
Proceeds from borrowings of long-term debt $ 292
Repayments of long-term debt $ (129) (56)
Net cash provided by financing activities - continuing operations 560 7,389
Net cash provided by (used in) financing activities - discontinued operations (461) 300
Net cash provided by financing activities 99 7,689
Effect of exchange rate changes on cash and cash equivalents (110) (71)
Net decrease in cash and cash equivalents (4,701) (12,406)
Cash and cash equivalents at beginning of year - discontinued operations 52 748
Cash and cash equivalents at beginning of year - continuing operations $ 4,821 16,531
Cash and cash equivalents at end of year - discontinued operations 52
Cash and cash equivalents at end of year - continuing operations $ 172 4,821
Cash paid during the year for:    
Interest 223 159
Income taxes, net of refunds (26) 18
A. Adjustments to reconcile net loss to net cash provided by (used in) operating activities:    
Loss from discontinued operations. 772 19,140
Depreciation and amortization. 472 648
Change in deferred taxes. 258 103
Impairment of goodwill and intangibles 1,562 1,773
Inventory write-down 146 101
Increase in liability for accrued severance 245 $ 198
Accretion of Leap Tide discount 62
Other (2) $ (149)
Changes in operating assets and liabilities:    
Decrease (increase) in accounts receivable (1,779) 677
Decrease (increase) in unbilled revenue 4,041 (1,469)
Decrease in inventory 214 773
Increase in other current assets and other assets (47) (50)
Increase (decrease) in deferred revenue 3,634 (599)
Increase in accounts payable, accrued payroll, payroll taxes and social benefits, other current and non-current liabilities 973 466
Adjustments to reconcile net loss to net cash provided by (used in) operating activities, total 11,613 22,475
B. Non-cash investing and financing activities:    
Value of warrants issued in capital raise   1,115
Liability for insufficient number of authorized shares in in capital raise (50) $ 50
Value of Initial Shares (discount) in Leap Tide transaction 162  
Adjustment of paid-in-capital and non-controlling interest from the deconsolidation of USSI 541  
Accrued of preferred dividends to outside investor in OmniMetrix $ 15