Note 7 - Income Taxes (Details) - Net Operating Loss Carryforwards (USD $) In Thousands, unless otherwise specified	Dec. 31, 2013	Dec. 31, 2012
Operating Loss Carryforwards [Line Items]
Operating Loss Carryfowards	$ 18,647	$ 19,577
Two Thousand Nineteen [Member]
Operating Loss Carryforwards [Line Items]
Operating Loss Carryfowards	2,901	2,901
Two Thousand Twenty One [Member]
Operating Loss Carryforwards [Line Items]
Operating Loss Carryfowards	1,184	1,184
Two Thousand Twenty Two [Member]
Operating Loss Carryforwards [Line Items]
Operating Loss Carryfowards	1,083	1,083
Two Thousand Twenty Three [Member]
Operating Loss Carryforwards [Line Items]
Operating Loss Carryfowards	1,302	1,778
Thereafter [Member]
Operating Loss Carryforwards [Line Items]
Operating Loss Carryfowards	$ 12,177	$ 12,631