Annual report pursuant to Section 13 and 15(d)

Note 14 - Income Taxes (Details Textual)

v3.7.0.1
Note 14 - Income Taxes (Details Textual) - USD ($)
$ in Thousands, shares in Millions
 3 Months Ended 12 Months Ended
Feb. 28, 2017
Dec. 31, 2016
Dec. 31, 2015
Dec. 31, 2014
Deferred Tax Assets, Gross, Current     $ 1,100  
Unrecognized Tax Benefits   $ 1,117 1,117 $ 1,117
Unrecognized Tax Benefits that Would Impact Effective Tax Rate   1,100 1,100  
Income Tax Examination, Penalties and Interest Expense   200 200  
Income Tax Examination, Penalties and Interest Accrued   2,600 2,400  
Deferred Tax Assets, Net of Valuation Allowance, Current   0  
Subsequent Event [Member]        
Stock Issued During Period, Shares, New Issues 3.1      
Domestic Tax Authority [Member]        
Operating Loss Carryforwards   147,700    
Domestic Tax Authority [Member] | Tax Year 2012 [Member]        
Open Tax Year       2012
Domestic Tax Authority [Member] | Tax Year 2011 [Member]        
Open Tax Year       2011
State and Local Jurisdiction [Member]        
Operating Loss Carryforwards   $ 105,000