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Condensed Consolidated Statements of Cash Flows (Unaudited) - USD ($)
$ in Thousands
 3 Months Ended
Mar. 31, 2016
Mar. 31, 2015
Cash flows from operating activities:    
Net loss (including noncontrolling interests) $ (1,399) $ (2,072)
Adjustments to reconcile net loss to net cash provided by (used in) operating activities:    
Stock-based compensation expense 114 $ 598
Loss on disposal of property and equipment 41
Depreciation and amortization 57 $ 51
Changes in operating assets and liabilities:    
Accounts receivable 697 (935)
Projects in process 36 (417)
Prepaid expenses and other current assets (325) (58)
Accounts payable and accrued expenses 339 502
Deferred revenues 461 746
Net cash provided by (used in) operating activities 21 (1,585)
Cash flows from investing activities:    
Purchase of property and equipment (156) (3)
Net cash used in investing activities (156) (3)
Cash flows from financing activities:    
Principal payments on capital lease obligation (15) (14)
Net cash used in financing activities (15) (14)
Effect of exchange rate changes on cash 8 (74)
Net decrease in cash (142) (1,676)
Cash at beginning of period 3,082 6,129
Cash at end of period 2,940 4,453
Supplemental disclosure of cash flow information:    
Cash paid for income taxes 7 2
Cash paid for interest $ 3 $ 4