Note 7 - Goodwill and Identifiable Intangible Assets (Details) - Finite-lived Intangible Assets, Accumulated Amortization (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2014
Note 7 - Goodwill and Identifiable Intangible Assets (Details) - Finite-lived Intangible Assets, Accumulated Amortization [Line Items]
Amortization	$ 3,216
Cost of Sales [Member]
Note 7 - Goodwill and Identifiable Intangible Assets (Details) - Finite-lived Intangible Assets, Accumulated Amortization [Line Items]
Cost of goods sold	2,857
Selling and Marketing Expense [Member]
Note 7 - Goodwill and Identifiable Intangible Assets (Details) - Finite-lived Intangible Assets, Accumulated Amortization [Line Items]
Amortization	201
General and Administrative Expense [Member]
Note 7 - Goodwill and Identifiable Intangible Assets (Details) - Finite-lived Intangible Assets, Accumulated Amortization [Line Items]
Amortization	$ 158