Note 13 - Customer and Supplier Concentration (Tables)

6 Months Ended

Jun. 30, 2014

Note 13 - Customer and Supplier Concentration (Tables) [Line Items]

Schedules of Concentration of Risk, by Risk Factor [Table Text Block]

	Three months ended June 30,						Six months ended June 30,
Big 3 Wholesalers combined:	2014			2013			2014			2013
Percentage of gross sales		70	%		57	%		67	%		58	%
Percentage of net sales revenues		53	%		38	%		50	%		40	%

Accounts Receivable [Member]

Note 13 - Customer and Supplier Concentration (Tables) [Line Items]

Schedules of Concentration of Risk, by Risk Factor [Table Text Block]

	June 30, 2014			December 31, 2013
Percentage of gross trade accounts receivable		74	%		63	%