Note 6 - Related-Party Transactions (Tables)

6 Months Ended

Jun. 30, 2012

Schedule of Related Party Transactions [Table Text Block]

	Three Months Ended June 30,				Six Months Ended June 30,
	2012		2011		2012		2011
Services provided by affiliates:
Field merchandiser services (SMS)	$	5,150	$	4,318	$	9,759	$	8,707
Field management services (SMSI)	$	1,180	$	1,058	$	2,269	$	2,181
Total services provided by affiliates	$	6,330	$	5,376	$	12,028	$	10,888

Related Party Accrued Expenses [Table Text Block]

	June 30,		December 31,
	2012		2011
Accrued expenses due to affiliates (in thousands):
Total accrued expenses due to affiliates	$	1,600	$	1,092