Note 18 - Restatement (Details) - Net Operating Loss Carryforwards (USD $) In Thousands, unless otherwise specified	Dec. 31, 2014	Dec. 31, 2013
Operating loss carryforwards	$ 11,036	$ 18,647
Scenario, Previously Reported [Member] | 2019 [Member]
Operating loss carryforwards	2,901
Scenario, Previously Reported [Member] | 2021 [Member]
Operating loss carryforwards	1,184
Scenario, Previously Reported [Member] | 2022 [Member]
Operating loss carryforwards	1,083
Scenario, Previously Reported [Member] | 2023 [Member]
Operating loss carryforwards	1,302
Scenario, Previously Reported [Member] | Thereafter [Member]
Operating loss carryforwards	13,642
Scenario, Previously Reported [Member]
Operating loss carryforwards	20,112
2019 [Member]
Operating loss carryforwards		2,901
2021 [Member]
Operating loss carryforwards	689	1,184
2022 [Member]
Operating loss carryforwards	849	1,083
2023 [Member]
Operating loss carryforwards		1,302
Thereafter [Member]
Operating loss carryforwards	$ 9,498	$ 12,177