Note 14 - Segment and Geographic Information (Detail) - Details of the Company’s Geographic Sales (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2012	Dec. 31, 2011
Revenues from external customers:
Revenue from External Customers	$ 30,222	$ 31,587
North America [Member]
Revenues from external customers:
Revenue from External Customers	21,218	24,273
EMEA [Member]
Revenues from external customers:
Revenue from External Customers	4,254	4,256
Latin America [Member]
Revenues from external customers:
Revenue from External Customers	2,538	2,006
Asia [Member]
Revenues from external customers:
Revenue from External Customers	$ 2,212	$ 1,052