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Note 11 - Segments and Geographic Information (Details) - Summary of Reportable Segment Data (USD $) In Thousands, unless otherwise specified | 3 Months Ended | 9 Months Ended
--- | --- | ---
Sep. 30, 2014 | Sep. 30, 2013 | Sep. 30, 2014 | Sep. 30, 2013
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items] |  |  |  |
Net sales | $ 7,890 | $ 4,827 | $ 19,508 | $ 14,938
Cost of sales | 5,332 | 3,897 | 13,354 | 11,887
Gross profit | 2,558 | 930 | 6,154 | 3,051
Operating expenses: |  |  |  |
Research and development | 232 | 57 | 626 | 266
Selling, genereal, and administrative | 2,648 | 2,472 | 7,485 | 7,025
Change in estimate of contingent liabilities |  |  |  | 12
Restructuring |  | 79 |  | 79
Loss on impairment |  |  |  | 325
Total operating expenses | 2,880 | 2,608 | 8,111 | 7,707
Other (expense) income | (81) | (192) | (3,120) | 168
Income (loss) before income taxes | (403) | (1,870) | (5,077) | (4,488)
Benefit for income taxes |  |  | 2 |
Net loss from continuing operations | (403) | (1,870) | (5,075) | (4,488)
Solutions Segment [Member] |  |  |  |
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items] |  |  |  |
Net sales | 224 | 2,104 | 3,545 | 5,894
Cost of sales | 309 | 1,888 | 2,822 | 5,186
Gross profit | (85) | 216 | 723 | 708
Operating expenses: |  |  |  |
Selling, genereal, and administrative | 295 | 512 | 1,078 | 1,460
Loss on impairment |  |  |  | 325
Total operating expenses | 295 | 512 | 1,078 | 1,785
Income (loss) before income taxes | (380) | (296) | (355) | (1,077)
Products Segment [Member] |  |  |  |
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items] |  |  |  |
Net sales | 7,666 | 2,723 | 15,963 | 9,044
Cost of sales | 5,023 | 2,009 | 10,532 | 6,701
Gross profit | 2,643 | 714 | 5,431 | 2,343
Operating expenses: |  |  |  |
Research and development | 63 | 57 | 181 | 266
Selling, genereal, and administrative | 1,182 | 464 | 3,200 | 2,073
Restructuring |  | 79 |  | 79
Total operating expenses | 1,245 | 600 | 3,381 | 2,418
Income (loss) before income taxes | 1,398 | 114 | 2,050 | (75)
Segements Total [Member] |  |  |  |
Operating expenses: |  |  |  |
Income (loss) before income taxes | 1,018 | (182) | 1,695 | (1,152)
Overhead [Member] |  |  |  |
Operating expenses: |  |  |  |
Research and development | 169 |  | 445 |
Selling, genereal, and administrative | 1,171 | 1,496 | 3,207 | 3,492
Change in estimate of contingent liabilities |  |  |  | 12
Total operating expenses | $ 1,340 | $ 1,496 | $ 3,652 | $ 3,504

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