Note 10 - Segment Reporting Information (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2015	Sep. 30, 2014	Sep. 30, 2015	Sep. 30, 2014
UNITED STATES
Revenue, Net	$ 10,706	$ 11,666	$ 32,783	$ 35,265
Operating income	63	557	309	852
Interest expense	$ 25	$ 22	$ 66	$ 62
Other (income) expense, net
Income before income tax expense	$ 38	$ 535	$ 243	$ 790
Income tax expense	(66)	93	(74)	93
Net income (loss) from continuing operations	104	442	317	697
Depreciation and amortization	344	321	1,004	964
Capital expenditures	213	252	918	765
International [Member]
Revenue, Net	17,563	19,343	54,219	54,704
Operating income	166	(10)	784	602
Interest expense	22	22	121	66
Other (income) expense, net	(8)	(89)	(68)	(202)
Income before income tax expense	152	57	731	738
Income tax expense	149	(72)	509	280
Net income (loss) from continuing operations	3	129	222	458
Depreciation and amortization	127	109	410	296
Capital expenditures	119	158	320	319
Revenue, Net	28,269	31,009	87,002	89,969
Operating income	229	547	1,093	1,454
Interest expense	47	44	187	128
Other (income) expense, net	(8)	(89)	(68)	(202)
Income before income tax expense	190	592	974	1,528
Income tax expense	83	21	435	373
Net income (loss) from continuing operations	107	571	539	1,155
Depreciation and amortization	471	430	1,414	1,260
Capital expenditures	$ 332	$ 410	$ 1,238	$ 1,084