Note 7 - Net Operating Loss Carryforwards (Details) - USD ($) $ in Thousands	Dec. 31, 2015	Dec. 31, 2014
Operating Loss Carryforward Expiring in 2021 [Member]
Operating Loss Carryforwards	$ 689	$ 689
Operating Loss Carryforward Expiring in 2022 [Member]
Operating Loss Carryforwards	849	849
Operating Loss Carryforward Expiring in 2030 [Member]
Operating Loss Carryforwards	4	4
Operating Loss Carryforward Expiring in 2031 [Member]
Operating Loss Carryforwards	298	298
Operating Loss Carryforward Expiring Thereafter [Member]
Operating Loss Carryforwards	3,445	9,196
Operating Loss Carryforwards	$ 5,285	$ 11,036