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Note 8 - Segments and Geographic Information (Detail) - Summary of Reportable Segment Data (USD $) In Thousands, unless otherwise specified | 3 Months Ended | 9 Months Ended
--- | --- | ---
Sep. 30, 2012 | Sep. 30, 2011 | Sep. 30, 2012 | Sep. 30, 2011
Solutions: |  |  |  |
Gross profit | $ 1,959 | $ 1,215 | $ 4,448 | $ 3,922
Operating expenses: |  |  |  |
Research and development | 102 | (278) | 87 | (144)
Sales and marketing | 1,423 | 1,524 | 4,084 | 5,095
General and administrative | 1,211 | 1,212 | 3,479 | 3,834
Valuation of equity instruments |  |  |  | 56
Total operating expenses | 2,736 | 2,458 | 7,650 | 8,841
Loss before income taxes | (926) | (1,455) | (3,687) | (5,432)
Provision for income taxes | (2) | (4) | (8) | (13)
Segment Income (Loss) | (928) | (1,459) | (3,695) | (5,445)
Solutions [Member] |  |  |  |
Solutions: |  |  |  |
Net sales | 2,066 | 2,014 | 5,811 | 7,960
Cost of sales | 1,672 | 1,686 | 4,912 | 6,686
Gross profit | 394 | 328 | 899 | 1,274
Operating expenses: |  |  |  |
Sales and marketing | 320 | 311 | 1,004 | 1,032
General and administrative | 244 | 231 | 558 | 706
Total operating expenses | 564 | 542 | 1,562 | 1,738
Segment Income (Loss) | (170) | (214) | (663) | (464)
Products [Member] |  |  |  |
Solutions: |  |  |  |
Net sales | 5,838 | 4,032 | 15,067 | 11,739
Cost of sales | 4,273 | 3,145 | 11,518 | 9,091
Gross profit | 1,565 | 887 | 3,549 | 2,648
Operating expenses: |  |  |  |
Research and development | 102 | (278) | 87 | (144)
Sales and marketing | 957 | 1,140 | 2,708 | 3,872
General and administrative | 119 | 85 | 261 | 257
Total operating expenses | 1,178 | 947 | 3,056 | 3,985
Segment Income (Loss) | 387 | (60) | 493 | (1,337)
Overhead [Member] |  |  |  |
Operating expenses: |  |  |  |
Sales and marketing | 146 | 73 | 372 | 191
General and administrative | 848 | 896 | 2,660 | 2,871
Valuation of equity instruments |  |  |  | 56
Total operating expenses | 994 | 969 | 3,032 | 3,118
Other expense | (149) | (212) | (485) | (513)
Segment Income (Loss) | 217 | (274) | (170) | (1,801)
Pool and Commercial Products [Member] |  |  |  |
Solutions: |  |  |  |
Net sales | 4,159 | 3,127 | 11,354 | 9,149
Cost of sales | 2,892 | 2,229 | 8,077 | 6,593
Gross profit | 1,267 | 898 | 3,277 | 2,556
Government Products/ Research and Development Services [Member] |  |  |  |
Solutions: |  |  |  |
Net sales | 1,679 | 905 | 3,713 | 2,590
Cost of sales | 1,381 | 916 | 3,441 | 2,498
Gross profit | $ 298 | $ (11) | $ 272 | $ 92

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