Note 14 - Foreign Revenues and Operations (Tables)

12 Months Ended

Dec. 31, 2014

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)	2014		2013
Foreign Countries:
United Kingdom	$	1,301	$	1,284
Pacific Rim *		550		598
Canada		489		496
Brazil		5		59
Other		93		35
Subtotal		2,438		2,472
United States		12,148		13,846
Total	$	14,586	$	16,318