Note 13 - Segment Information (Details) - Reconciliation of Segment Operating Results - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2015	Sep. 30, 2014	Sep. 30, 2015	Sep. 30, 2014
Reconciliation of Segment Operating Results [Abstract]
Income from operations	$ 2,131	$ 2,795	$ 7,717	$ 7,001
Unallocated corporate, general and administrative expenses	(486)	(526)	(1,627)	(1,657)
Equity-based compensation expenses	(1,261)	(1,296)	(3,925)	(4,200)
Intangible assets amortization expenses	(321)	(397)	(963)	(1,191)
Financial income, net	245	186	871	895
Total consolidated income before taxes	$ 308	$ 762	$ 2,073	$ 848