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Consolidated Statements of Cash Flows (USD $)
In Thousands, unless otherwise specified
 12 Months Ended
Dec. 31, 2013
Dec. 31, 2012
Dec. 31, 2011
Cash flows from operating activities:      
Net loss $ (597) $ (2,500) $ (2,488)
Adjustments to reconcile net loss to net cash provided by (used in) operating activities:      
Depreciation 263 276 172
Loss on disposal of fixed assets 49 64 12
Provision for (recovery of) bad debts 34 242 (100)
Provision for obsolete inventory (194) 171 7
Stock-based compensation 109 231 195
(Increase) decrease in:      
Trade accounts receivable (1,643) (1,879) 3,729
Other accounts receivable (68) (19) 532
Inventory 1,156 (1,362) (557)
Prepaids (1,914) 964 (1,889)
Other assets 50 (160) (1)
Increase (decrease) in:      
Accounts payable (353) (992) (1,690)
Accrued expenses (606) (933) 1,493
Cash used in continuing operations (3,714) (5,897) (585)
Cash provided by discontinued operations, net (Note 2)     710
Net cash provided by (used in) operating activities (3,714) (5,897) 125
Cash flows from investing activities:      
Purchase of property and equipment (145) (396) (201)
(Increase) decrease in restricted cash 1,003 (3) (1,000)
Net cash provided by (used in) investing activities 858 (399) (1,201)
Effect of exchange rate changes on cash (5) 104 14
Net decrease in cash and cash equivalents (2,861) (6,192) (1,062)
Cash and cash equivalents, beginning of period 5,230 11,422 12,484
Cash and cash equivalents, end of period 2,369 5,230 11,422
Cash paid for interest         
Cash paid for income taxes