Note 14 - Foreign Revenues and Operations (Details) - Foreign Revenues (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2013		Dec. 31, 2012
Foreign Countries:
Revenues	$ 16,318		$ 16,530
United Kingdom [Member]
Foreign Countries:
Revenues	1,284		1,154
Pacific Rim [Member]
Foreign Countries:
Revenues	598	[1]	562	[1]
Canada [Member]
Foreign Countries:
Revenues	496		518
Brazil [Member]
Foreign Countries:
Revenues	59		25
Other Countries [Member]
Foreign Countries:
Revenues	35		54
Foreign [Member]
Foreign Countries:
Revenues	2,472		2,313
United States [Member]
Foreign Countries:
Revenues	$ 13,846		$ 14,217

[1] Includes Australia, New Zealand, Japan and Singapore