Note 7 - Income Taxes (Details) - Deferred Income Taxes (USD $) In Thousands, unless otherwise specified	Sep. 30, 2014	Dec. 31, 2013
Deferred tax assets:
Net operating loss carryforwards	$ 10,895	$ 12,074
Inventory	1,903	1,856
Other liabilities	3,209	3,051
Fixed assets	2,385	2,069
Other temporary differences	942	751
	19,334	19,801
Less: valuation allowance	(19,292)	(19,745)
Total deferred tax assets	42	56
Deferred tax liability:
Intangibles	(2,172)	(1,453)
Other temporary differences	65	(13)
Net deferred tax liability	(2,065)	(1,410)
As reported:
Non-current deferred tax assets	42	56
Current deferred tax liability	(301)	(271)
Non-current deferred tax liability	$ (1,806)	$ (1,195)