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Note 12 - Income Taxes and Deferred Tax Asset/Liability - Federal and State Income Tax Net Operating Loss Carryforwards (Details) $ in Thousands	Dec. 31, 2016 USD ($)
Operating Loss Carryforwards	$ 169,045
Expires in 2020 [Member]
Operating Loss Carryforwards	15
Expire in 2021 [Member]
Operating Loss Carryforwards	5
Expires in 2028 [Member]
Operating Loss Carryforwards	8,745
Expires in 2029 [Member]
Operating Loss Carryforwards	3,480
Expires in 2033 [Member]
Operating Loss Carryforwards	72,046
Expires in 2034 [Member]
Operating Loss Carryforwards	41,433
ExpiresIn2035Member
Operating Loss Carryforwards	30,635
Expires in 2036 [Member]
Operating Loss Carryforwards	$ 12,686