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Note 2 - Summary of Significant Accounting Policies (Tables)
 6 Months Ended
Jun. 30, 2016
Note 2 - Summary of Significant Accounting Policies (Tables) [Line Items]  
Schedule of Unrecognized Tax Benefits Roll Forward [Table Text Block] A reconciliation of the January 1, 2016, through June 30, 2016, amount of unrecognized tax benefits excluding interest and penalties ("Gross UTB") is as follows:

 
  
Gross UTB
  
Beginning Balance – January 1, 2016
  
$
4,889,561
  
Increase in unrecorded tax benefits taken in the six months ended June 30, 2016
    
831
  
Exchange rate adjustment - 2016
    
(100,628
)
Ending Balance – June 30, 2016
  
$
4,789,764
  
Schedule of Earnings Per Share, Basic and Diluted [Table Text Block] The following table presents a reconciliation of basic and diluted earnings per share for the six and three months ended June 30, 2016 and 2015:

 
  
Six Months Ended
June 30,
    
Three Months Ended
June 30,
  
 
  
2016
    
2015
    
2016
    
2015
  
 
                        
Net (loss) income
  
$
(588,643
)
  
$
1,485,334
    
$
(685,772
)
  
$
(139,529
)
 
                                
Weighted average shares outstanding – basic
    
24,622,887
      
21,456,546
      
24,911,803
      
21,995,008
  
Effect of dilutive securities:
                                
Unexercised warrants
    
-
      
-
      
-
      
-
  
Weighted average shares outstanding – diluted
    
24,622,887
      
21,456,546
      
24,911,803
      
21,995,008
  
 
                                
(Loss) Earnings per share – basic
  
$
(0.02
)
  
$
0.07
    
$
(0.03
)
  
$
(0.01
)
(Loss) Earnings per share – diluted
  
$
(0.02
)
  
$
0.07
    
$
(0.03
)
  
$
(0.01
)
Fair Value, Net Derivative Asset (Liability) Measured on Recurring Basis, Unobservable Input Reconciliation [Table Text Block] Fair Value Measurements of Common Stock Warrants Using Significant Unobservable Inputs (Level 3)

   
Six Months Ended June 30,  
  
   
2016
    
2015
  
                 
Balance at January 1
  
$
-
    
$
1,465,019
  
Adjustment resulting from change in fair value (a) and extinguishment of warrants recognized in earnings
    
-
      
749,452
  
1,053,670 common shares issued in exchange of surrender of 1,053,670 warrants
            
(2,212,707
)
Balance at June 30
  
$
-
    
$
1,764
  
Property Plant and Equipment Estimated Useful Lives [Member]  
Note 2 - Summary of Significant Accounting Policies (Tables) [Line Items]  
Property, Plant and Equipment [Table Text Block] Depreciation of property and equipment is provided using the straight-line method for substantially all assets with 10% salvage value and estimated lives as follows:

Building and workshops
20 years
Computer and office equipment
5 years
Decoration and renovation
10 years
Machinery
10 years
Autos
5 years