Note 5 - Transactions Between the Company and Affiliates (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2016	Jun. 30, 2015	Jun. 30, 2016	Jun. 30, 2015
Field Merchandiser Services SBS [Member]
Services provided by affiliates:
Related Party Transaction, Expenses from Transactions with Related Party	$ 5,390	$ 5,337	$ 10,337	$ 11,012
Field Administration Expenses SAS [Member]
Services provided by affiliates:
Related Party Transaction, Expenses from Transactions with Related Party	989	1,140	2,127	2,253
Field Merchandiser Services NRS [Member]
Services provided by affiliates:
Related Party Transaction, Expenses from Transactions with Related Party		323		567
Office And Vehicle Rental MPT [Member]
Services provided by affiliates:
Related Party Transaction, Expenses from Transactions with Related Party	12	18	24	29
Vehicle Rental MCPT [Member]
Services provided by affiliates:
Related Party Transaction, Expenses from Transactions with Related Party	194	361	373	560
Office And Vehicle Rental MHT [Member]
Services provided by affiliates:
Related Party Transaction, Expenses from Transactions with Related Party	26	26	51	50
Field Management Services NDS Tanitim [Member]
Services provided by affiliates:
Related Party Transaction, Expenses from Transactions with Related Party		6		15
Field Merchandiser Services NDS Reklam [Member]
Services provided by affiliates:
Related Party Transaction, Expenses from Transactions with Related Party		47		117
Consulting and Administrative Services (CON) [Member]
Services provided by affiliates:
Related Party Transaction, Expenses from Transactions with Related Party	83	95	167	190
Related Party Transaction, Expenses from Transactions with Related Party	$ 6,694	$ 7,353	$ 13,079	$ 14,793