Note 4 - Accounts Receivable Allowances (Details) - Net Trade Accounts Receivable (USD $) In Thousands, unless otherwise specified	Jun. 30, 2014	Dec. 31, 2013
Net Trade Accounts Receivable [Abstract]
Gross accounts receivable	$ 220,165	$ 88,165
Less reserves for:
Chargebacks and rebates	(49,330)	(12,882)
Product returns	(18,561)	(8,164)
Discounts and allowances	(11,597)	(1,644)
Advertising and promotions	(566)	(452)
Doubtful accounts	(138)	(25)
Trade accounts receivable, net	$ 139,973	$ 64,998