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Note 9 - Fair Value Measurement (Tables)
 12 Months Ended
Dec. 31, 2016
Notes Tables  
Fair Value, Liabilities Measured on Recurring Basis [Table Text Block]
   
Fair value at
    
Quoted prices in active
markets for identical assets/
    
Significant other observable
    
Significant unobservable
  
 
  
December 31, 2016
    
liabilities
(Level 1)
    
inputs
(Level 2)
    
inputs
(Level 3)
  
Derivatives: (1) (2)
                                
Conversion feature liability
   $
2,325,730
     $
-0-
     $
-0-
     $
2,325,730
  
Warrant liability
    
3,999,362
      
-0-
      
-0-
      
3,999,362
  
                                 
Total of derivative liabilities
   $
6,325,092
     $
-0-
     $
-0-
     $
6,325,092
  
   
Fair value at
    
Quoted prices in active
markets for identical
assets/ liabilities
   
Significant other observable inputs
    
Significant unobservable inputs
  
 
  
December 31, 2015
    
(Level 1)
    
(Level 2)
    
(Level 3)
  
Derivatives: (1) (2)
                                
Conversion feature liability
   $
901,243
     $
-0-
     $
-0-
     $
901,243
  
Warrant liability
    
1,914,923
      
-0-
      
-0-
      
1,914,923
  
Total of derivative liabilities
   $
2,816,166
     $
-0-
     $
-0-
     $
2,816,166
  
Fair Value Measurements, Recurring and Nonrecurring [Table Text Block]
Significant valuation assumptions for derivative instruments at December 31, 2016
  
Risk free interest rate
    
0.82%
to
1.45%
  
Dividend yield
    
 0.00%
  
Expected volatility
    
117.3%
to
143.8%
  
Expected life (range in years)
            
Conversion feature liability
    
1.25
to
3.25
  
Warrant liability
    
0.25
to
3.25
  
​
Significant valuation assumptions for derivative instruments at December 31, 2015
  
Risk free interest rate
    
0.48%
to
1.2%
  
Dividend yield
    
 0.00%
  
Expected volatility
    
91.0%
to
132.2%
  
Expected life (range in years)
            
Conversion feature liability
    
1.25
to
2.25
  
Warrant liability
    
0.00
to
3.01
  
Fair Value Measurements, Nonrecurring [Table Text Block]
   
Carrying amount
    
Carrying amount
    
Quoted prices in active
markets for identical assets/
    
Significant other observable
    
Significant unobservable
  
 
  
December 31,
2015
    
December 31,
2016
    
liabilities
(Level 1)
    
inputs
(Level 2)
    
inputs
(Level 3)
  
Acquired assets (3)
                                        
Promasys B.V. customer list (4)
   $
92,444
     $
82,173
     $
-0-
     $
-0-
     $
136,253
  
Promasys B.V. software code (4)
    
41,274
      
26,707
      
-0-
      
-0-
      
72,943
  
Promasys B.V. URLs/website (4)
    
15,159
      
-0-
      
-0-
      
-0-
      
68,814
  
Total
   $
148,877
     $
108,880
     $
-0-
     $
-0-
     $
278,010
  
   
Carrying Amount
    
Carrying Amount
    
Quoted prices in active
markets
for identical assets/
   
Significant other observable
    
Significant unobservable
  
 
  
December 31,
2014
    
December 31,
2015
    
liabilities
(Level 1)
    
inputs
(Level 2)
    
inputs
(Level 3)
  
Acquired assets (3)
                                        
Promasys B.V. customer list (4)
   $
110,948
     $
92,444
     $
-0-
     $
-0-
     $
136,253
  
Promasys B.V. software code (4)
    
55,842
      
41,274
      
-0-
      
-0-
      
72,943
  
Promasys B.V. URLs/website (4)
    
37,131
      
15,159
      
-0-
      
-0-
      
68,814
  
Total
   $
203,921
     $
148,877
     $
-0-
     $
-0-
     $
278,010
  
Fair Value, Measured on Recurring Basis, Gain (Loss) Included in Earnings [Table Text Block]
   
Other income/(expense)
  
 
  
For the year ended
  
 
  
December 31, 2016
    
December 31, 2015
  
The net amount of gains/(losses) for the period included in earnings attributable to the unrealized and realized gains/(losses) from changes in derivative liabilities at the reporting date
   $
(2,657,910
 )   $
4,525,798
  
                 
Total unrealized and realized gains/(losses) included in earnings
   $
(2,657,910
 )   $
4,525,798
  
Schedule of Derivative Liabilities at Fair Value [Table Text Block]
   
Level 3 financial liabilities at fair value
  
 
 
 
 
 
 
 
 
 
  
 
    
Net
  
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
  
 
    
purchases,
  
 
 
 
 
 
 
 
 
 
  
Balance,
  
 
 
 
 
  
 
    
issuances
  
 
 
 
 
  
Balance,
  
For the year ended
  
beginning
    
Net realized
    
Net unrealized
    
and
    
Net transfers
    
end
  
December 31, 2016
  
of year
    
gains/(losses)
    
gains/(losses)
    
settlements
    
in and/or out
    
of year
  
Derivatives:
                                                
Conversion feature liability
   $
(901,243
 )   $
29,108
     $
(1,453,595
 )   $
-0-
     $
-0-
     $
(2,325,730
 )
Warrant liability
    
(1,914,923
 )    
-0-
      
(1,233,423
 )    
(851,016
 )    
-0-
      
(3,999,362
 )
Total of derivative liabilities
   $
(2,816,166
 )   $
29,108
     $
(2,687,018
 )   $
(851,016
 )   $
-0-
     $
(6,325,092
 )
   
Level 3 financial liabilities at fair value
  
 
 
 
 
 
 
 
 
 
  
 
    
Net
  
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
  
 
    
purchases,
  
 
 
 
 
 
 
 
 
 
  
Balance,
  
 
 
 
 
  
 
    
issuances
  
 
 
 
 
  
Balance,
  
For the year ended
  
beginning
    
Net realized
    
Net unrealized
    
and
    
Net transfers
    
end
  
December 31, 2015
  
of year
    
gains/(losses)
    
gains/(losses)
    
settlements
    
in and/or out
    
of year
  
Derivatives:
                                                
Conversion feature liability
   $
(2,944,402
 )   $
29,875
     $
2,013,284
     $
-0-
     $
-0-
     $
(901,243
 )
Warrant liability
    
(6,695,060
 )    
-0-
      
2,482,639
      
(868,128
 )    
3,165,626
      
(1,914,923
 )
Total of derivative liabilities
   $
(9,639,462
 )   $
29,875
     $
4,495,923
     $
(868,128
 )   $
3,165,626
     $
(2,816,166
 )