XML 77 R62.htm IDEA: XBRL DOCUMENT v3.3.1.900
Note 10 - Income Taxes and Deferred Tax Asset/Liability (Details Textual) - USD ($)
 12 Months Ended
Dec. 31, 2015
Dec. 31, 2014
Dec. 31, 2013
Domestic Tax Authority [Member] | Earliest Tax Year [Member]      
Open Tax Year 2012    
Domestic Tax Authority [Member]      
Operating Loss Carryforwards $ 105,400,000    
Operating Loss Carryforward Expiration Period 20 years    
State and Local Jurisdiction [Member] | Minimum [Member]      
Operating Loss Carryforward Expiration Period 5 years    
State and Local Jurisdiction [Member] | Maximum [Member]      
Operating Loss Carryforward Expiration Period   20 years  
State and Local Jurisdiction [Member] | Earliest Tax Year [Member]      
Open Tax Year 2011    
State and Local Jurisdiction [Member]      
Operating Loss Carryforwards $ 48,400,000    
Will be Recognized as Reduction of Income Tax Expense [Member]      
Unrecognized Tax Benefits 46,800,000    
Will be Recorded as Increase in Equity [Member]      
Unrecognized Tax Benefits 9,600,000    
Unrecognized Tax Benefits, Income Tax Penalties and Interest Accrued $ 0 $ 0  
Effective Income Tax Rate Reconciliation, at Federal Statutory Income Tax Rate, Percent 35.00% 35.00% 35.00%
Operating Loss Carryforwards $ 153,841,000    
Deferred Tax Assets, Valuation Allowance $ 56,400,000