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Note 14 - Income Taxes (Details) (USD $)
12 Months Ended
Dec. 31, 2013
Dec. 31, 2012
Dec. 31, 2011
Note 14 - Income Taxes (Details) [Line Items]      
Unrecognized Tax Benefits, Period Increase (Decrease) $ 0    
Share-based Compensation 1,268,070 1,151,199 1,190,697
Employee Service Share-based Compensation, Tax Benefit from Compensation Expense 1,984,280 285,068 219,626
Adjustments to Additional Paid in Capital, Income Tax Benefit from Share-based Compensation 856,830 452,471 274,190
Foreign Tax Authority [Member] | Italy [Member]
     
Note 14 - Income Taxes (Details) [Line Items]      
Operating Loss Carryforwards 9,353,750    
Internal Revenue Service (IRS) [Member] | Maximum [Member]
     
Note 14 - Income Taxes (Details) [Line Items]      
Adjustments to Additional Paid in Capital, Income Tax Benefit from Share-based Compensation 856,830    
Internal Revenue Service (IRS) [Member] | Minimum [Member]
     
Note 14 - Income Taxes (Details) [Line Items]      
Adjustments to Additional Paid in Capital, Income Tax Benefit from Share-based Compensation   452,471  
State and Local Jurisdiction [Member] | Minimum [Member]
     
Note 14 - Income Taxes (Details) [Line Items]      
Adjustments to Additional Paid in Capital, Income Tax Benefit from Share-based Compensation     $ 274,190