Note 10 - Transactions Between the Company and Affiliates (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2014
Field Merchandiser Services SBS [Member]
Services provided by affiliates:
Related Party Transaction, Expenses from Transactions with Related Party	$ 20,538	$ 21,848
Field Management Services [Member]
Services provided by affiliates:
Related Party Transaction, Expenses from Transactions with Related Party	4,492	4,380
Field Merchandiser Services NRS [Member]
Services provided by affiliates:
Related Party Transaction, Expenses from Transactions with Related Party	1,323	2,259
Office And Vehicle Rental MPT [Member]
Services provided by affiliates:
Related Party Transaction, Expenses from Transactions with Related Party	70	57
Vehicle Rental MCPT [Member]
Services provided by affiliates:
Related Party Transaction, Expenses from Transactions with Related Party	1,108	597
Office And Vehicle Rental MHT [Member]
Services provided by affiliates:
Related Party Transaction, Expenses from Transactions with Related Party	90	90
Field Management Services NDS Tanitim [Member]
Services provided by affiliates:
Related Party Transaction, Expenses from Transactions with Related Party	15	44
Field Merchandiser Services NDS Reklam [Member]
Services provided by affiliates:
Related Party Transaction, Expenses from Transactions with Related Party	117	$ 962
Consulting and Administrative Services (CON) [Member]
Services provided by affiliates:
Related Party Transaction, Expenses from Transactions with Related Party	283
Related Party Transaction, Expenses from Transactions with Related Party	$ 28,036	$ 30,237