Note 14 - Foreign Revenues and Operations (Tables)

12 Months Ended

Dec. 31, 2013

Disclosure Text Block Supplement [Abstract]

Schedule of Revenue from External Customers and Long-Lived Assets, by Geographical Areas [Table Text Block]

Year ended December 31,
(in thousands)	2013		2012
Foreign Countries:
United Kingdom	$	1,284	$	1,154
Pacific Rim *		598		562
Canada		496		518
Brazil		59		25
Other		35		54
Subtotal		2,472		2,313
United States		13,846		14,217
Total	$	16,318	$	16,530