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Note 15 - Segments and Geographic Information (Details) - Summary of Reportable Segment Data (USD $) In Thousands, unless otherwise specified | 12 Months Ended
--- | ---
Dec. 31, 2013 | Dec. 31, 2012 | Dec. 31, 2011
Segment Reporting Information [Line Items] |  |  |
Net sales | $ 21,533 | $ 23,375 | $ 20,453
Cost of sales | 16,954 | 19,403 | 16,628
Gross profit | 4,579 | 3,972 | 3,825
Operating expenses: |  |  |
Research and development | 597 | 368 | (515)
Sales and marketing | 4,899 | 4,402 | 4,828
General and administrative | 4,815 | 4,542 | 5,006
Loss on impairment | 933 | 672 |
Total operating expenses | 11,336 | 9,882 | 8,964
Income (loss) before income taxes | (6,947) | (6,576) | (5,975)
Reconciliation of segment loss to net loss: |  |  |
Other expense | (190) | (666) | (836)
Benefit from income taxes |  |  | 2
Net loss from continuing operations | (6,947) | (6,576) | (5,973)
Valuation of equity instruments |  |  | (56)
Change in estimate of contingent liabilities | 12 | (102) | (411)
Restructuring | 80 |  |
Solutions Segment [Member] |  |  |
Segment Reporting Information [Line Items] |  |  |
Net sales | 9,847 | 10,569 | 9,563
Cost of sales | 8,361 | 9,150 | 8,041
Gross profit | 1,486 | 1,419 | 1,522
Operating expenses: |  |  |
Sales and marketing | 1,382 | 1,312 | 1,332
General and administrative | 654 | 769 | 939
Loss on impairment | 325 | 672 |
Total operating expenses | 2,361 | 2,753 | 2,271
Income (loss) before income taxes | (875) | (1,334) | (749)
Products Segment [Member] |  |  |
Segment Reporting Information [Line Items] |  |  |
Net sales | 11,686 | 12,806 | 10,890
Cost of sales | 8,593 | 10,253 | 8,587
Gross profit | 3,093 | 2,553 | 2,303
Operating expenses: |  |  |
Research and development | 597 | 368 | (515)
Sales and marketing | 2,389 | 2,347 | 3,257
General and administrative | 336 | 285 | 352
Loss on impairment | 608 |  |
Total operating expenses | 3,930 | 3,000 | 3,094
Income (loss) before income taxes | (837) | (447) | (791)
Segements Total [Member] |  |  |
Operating expenses: |  |  |
Income (loss) before income taxes | (1,712) | (1,781) | (1,540)
Overhead [Member] |  |  |
Operating expenses: |  |  |
Sales and marketing | 1,128 | 743 | 239
General and administrative | 3,825 | 3,488 | 3,715
Total operating expenses | 5,045 | 4,129 | 3,599
Reconciliation of segment loss to net loss: |  |  |
Valuation of equity instruments |  |  | 56
Change in estimate of contingent liabilities | 12 | (102) | (411)
Restructuring | $ 80 | $ 0 |

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