Note 6 - Related Party Transactions - Transactions Between the Company and Affiliates (Details) - USD ($) $ in Thousands		3 Months Ended
		Mar. 31, 2017	Mar. 31, 2016	Dec. 31, 2016
Services provided by affiliates		$ 7,432	$ 6,373
Due to affiliates	[1]	3,094		$ 3,349	[2]
Local Investors in Australia [Member] | Loans Due to Affiliates [Member]
Due to affiliates	[1]	244		231
Local Investors in Mexico [Member] | Loans Due to Affiliates [Member]
Due to affiliates	[1]	1,001		1,001
Local Investors in Brazil [Member] | Loans Due to Affiliates [Member]
Due to affiliates	[1]	139		139
Local Investors in China [Member] | Loans Due to Affiliates [Member]
Due to affiliates	[1]	763		761
NMS LLC [Member] | Loans Due to Affiliates [Member]
Due to affiliates	[1]			348
SBS [Member] | Accrued Expenses Due to Affiliates [Member]
Due to affiliates	[1]	947		$ 869
Field Merchandiser Services SBS [Member]
Services provided by affiliates		5,875	4,947
Field Administration Expenses SAS [Member]
Services provided by affiliates		1,074	1,138
Office And Vehicle Rental MPT [Member]
Services provided by affiliates		15	12
Vehicle Rental MCPT [Member]
Services provided by affiliates		297	179
Office And Vehicle Rental MHT [Member]
Services provided by affiliates		40	20
Consulting and Administrative Services (CON) [Member]
Services provided by affiliates		96	77
Legal Services (KMSA) [Member]
Services provided by affiliates		24
Warehouse Rental (JFMD) [Member]
Services provided by affiliates		$ 11

[1] Represent loans from the local investors into the Company's subsidiaries (representing their proportionate share of working capital loans). The loans have no payment terms and are due on demand and as such have been classified as current liabilities in the Company's consolidated financial statements.

[2] See Note 2 Correction of Prior Period Financial Statements.