Note 5 - Transactions Between the Company and Affiliates (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2016	Mar. 31, 2015
Field Merchandiser Services SBS [Member]
Services provided by affiliates:
Related Party Transaction, Expenses from Transactions with Related Party	$ 4,947	$ 5,675
Field Administration Expenses SAS [Member]
Services provided by affiliates:
Related Party Transaction, Expenses from Transactions with Related Party	$ 1,138	1,113
Field Merchandiser Services NRS [Member]
Services provided by affiliates:
Related Party Transaction, Expenses from Transactions with Related Party		244
Office And Vehicle Rental MPT [Member]
Services provided by affiliates:
Related Party Transaction, Expenses from Transactions with Related Party	$ 12	12
Vehicle Rental MCPT [Member]
Services provided by affiliates:
Related Party Transaction, Expenses from Transactions with Related Party	179	$ 197
Office And Vehicle Rental MHT [Member]
Services provided by affiliates:
Related Party Transaction, Expenses from Transactions with Related Party	$ 20
Field Management Services NDS Tanitim [Member]
Services provided by affiliates:
Related Party Transaction, Expenses from Transactions with Related Party		$ 9
Field Merchandiser Services NDS Reklam [Member]
Services provided by affiliates:
Related Party Transaction, Expenses from Transactions with Related Party		70
Consulting and Administrative Services (CON) [Member]
Services provided by affiliates:
Related Party Transaction, Expenses from Transactions with Related Party	$ 77	98
Related Party Transaction, Expenses from Transactions with Related Party	$ 6,373	$ 7,418