Note 8 - Segments and Geographic Information (Detail) - Summary of Reportable Segment Data (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 31, 2013	Mar. 31, 2012
Net sales	$ 5,333	$ 5,302
Cost of sales	4,132	4,517
Gross profit	1,201	785
Research and development	37	46
Sales and marketing	1,303	1,271
General and administrative	1,066	1,154
Total operating expenses	2,406	2,471
Income (loss) before income taxes	(1,425)	(1,864)
Provision for income taxes	(3)	(3)
Net loss	(1,428)	(1,867)
Solutions Segment [Member]
Net sales	1,807	1,640
Cost of sales	1,523	1,562
Gross profit	284	78
Sales and marketing	270	314
General and administrative	202	150
Total operating expenses	472	464
Income (loss) before income taxes	(188)	(386)
Products Segment [Member]
Net sales	3,526	3,662
Cost of sales	2,609	2,955
Gross profit	917	707
Research and development	37	46
Sales and marketing	797	861
General and administrative	74	81
Total operating expenses	908	988
Income (loss) before income taxes	9	(281)
Segements Total [Member]
Income (loss) before income taxes	(179)	(667)
Overhead [Member]
Sales and marketing	236	96
General and administrative	790	923
Total operating expenses	1,026	1,019
Other expense	$ (220)	$ (178)