Note 12 - Segments and Geographic Information (Tables)

12 Months Ended

Dec. 31, 2012

Schedule of Segment Reporting Information, by Segment [Table Text Block]

	Years ended December 31,
	2012			2011			2010
Solutions:
Net sales	$	10,569		$	9,563		$	19,763
Cost of sales		9,150			8,041			16,332
Gross profit		1,419			1,522			3,431
Operating expenses:
Sales and marketing		1,312			1,332			1,407
General and administrative		769			939			1,377
Loss on impairment		672			-			-
Total operating expenses		2,753			2,271			2,784
Segment (loss) income	$	(1,334	)	$	(749	)	$	647
Products:
Net sales	$	19,268		$	16,189		$	15,366
Cost of sales		14,450			12,540			12,394
Gross profit		4,818			3,649			2,972
Operating expenses (income):
Research and development		368			(515	)		(202	)
Sales and marketing		3,641			4,629			4,796
General and administrative		261			318			293
Loss on impairment		-			-			156
Restructuring		-			-			26
Total operating expenses		4,270			4,432			5,069
Segment income (loss)	$	548		$	(783	)	$	(2,097	)
Reconciliation of segment (loss) income to net loss:
Segment (loss) income:
Solutions	$	(1,334	)	$	(749	)	$	647
Products		548			(783	)		(2,097	)
Total segment loss		(786	)		(1,532	)		(1,450	)
Operating expenses:
Sales and marketing		743			239			212
General and administrative		3,616			3,805			4,445
Valuation of equity instruments		-			56			1,812
Change in estimate of contingent liabilities		(102	)		(411	)		-
Total operating expenses		4,257			3,689			6,469
Other expense		(666	)		(836	)		(592	)
Loss before income taxes		(5,709	)		(6,057	)		(8,511	)
Benefit from (Provision for) income taxes		-			2			(6	)
Net loss	$	(5,709	)	$	(6,055	)	$	(8,517	)

Products-Based Business Segment Profitability [Table Text Block]

	Years ended December 31,
	2012		2011		2010
Products segment net sales:
Pool and commercial products	$	14,948	$	11,911	$	12,265
Government products/R&D services		4,320		4,278		3,101
Total products segment net sales		19,268		16,189		15,366
Products segment cost of sales:
Pool and commercial products		10,367		8,560		7,988
Government products/R&D services		4,083		3,980		3,104
Unallocated manufacturing overhead 1		-		-		1,302
Total products segment cost of sales		14,450		12,540		12,394
Products segment gross profit:
Pool and commercial products		4,581		3,351		4,277
Government products/R&D services		237		298		(3	)
Unallocated manufacturing overhead 1		-		-		(1,302	)
Total products segment gross profit	$	4,818	$	3,649	$	2,972

Schedule of Revenue from External Customers Attributed to Foreign Countries by Geographic Area [Table Text Block]

	Years ended December 31,
	2012		2011		2010
United States Domestic	$	26,798	$	21,730	$	31,314
International		3,039		4,022		3,815
Net sales	$	29,837	$	25,752	$	35,129

Schedule of Disclosure on Geographic Areas, Long-Lived Assets in Individual Foreign Countries by Country [Table Text Block]

	December 31,
	2012		2011
United States	$	2,350	$	3,747
International		58		57
Long-lived assets, net	$	2,408	$	3,804