XML 101 R87.htm IDEA: XBRL DOCUMENT v3.7.0.1
Note 20 - Income Taxes (Details Textual) - USD ($)
 12 Months Ended
Dec. 31, 2016
Dec. 31, 2015
Dec. 31, 2014
State and Local Income Tax Expense (Benefit), Continuing Operations $ 41,000 $ 120,000  
Foreign Income Tax Expense (Benefit), Continuing Operations 141,000 2,195,000  
Deferred Tax Assets, Foreign Deferred Revenue and Other Provision 3,269,000 4,033,000  
Deferred Income Tax Expense (Benefit) 0 2,230,000  
Unrecognized Tax Benefits 200,000 200,000  
Unrecognized Tax Benefits, Income Tax Penalties and Interest Accrued 0 0  
Undistributed Earnings of Foreign Subsidiaries 0    
Federal Income Tax Expense (Benefit), Continuing Operations   0 $ 0
Unrecognized Tax Benefits, Period Increase (Decrease) 0 0  
Mexican Subsidiaries [Member]      
Deferred Tax Assets, Foreign Deferred Revenue and Other Provision 3,269,000 4,033,000  
State and Local Jurisdiction [Member]      
Proceeds from Income Tax Refunds 0 30,000  
Operating Loss Carryforwards 95,719,000    
Domestic Tax Authority [Member]      
Proceeds from Income Tax Refunds 0 0  
Operating Loss Carryforwards $ 130,798,000    
Domestic Tax Authority [Member] | Internal Revenue Service (IRS) [Member] | Earliest Tax Year [Member]      
Open Tax Year 2012    
Domestic Tax Authority [Member] | Internal Revenue Service (IRS) [Member] | Latest Tax Year [Member]      
Open Tax Year 2015    
Foreign Tax Authority [Member]      
Proceeds from Income Tax Refunds $ 0 $ 0