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