Rendering

Component: (Network and Table)
Network
036 - Disclosure - Note 14 - Stockholders' Equity (Tables)
(http://liqtech.com/20161231/role/statement-note-14-stockholders-equity-tables)
TableStatement [Table]
Slicers (applies to each fact value in each table cell)
Reporting Entity [Axis]0001307579 (http://www.sec.gov/CIK)
Scenario [Axis]Scenario, Unspecified [Domain]
Statement [Line Items]Period [Axis]
2016-01-01 - 2016-12-31
Notes Tables
 
Schedule of Stockholders' Equity Note, Warrants or Rights [Table Text Block]
 
 
 
  
Warrants Outstanding
    
Warrants Exercisable
  
Exercise Prices
    
Number
Outstanding
    
Weighted
Average
Remaining
Contractual Life
(years)
    
Weighted
Average
Exercise
Price
    
Number
Exercisable
    
Weighted
Average
Exercise
Price
  
$
0.81
      
100,000
      
1.00
     $
0.81
      
100,000
     $
0.81
  
$
1.00
      
200,000
      
1.00
     $
1.00
      
133,333
     $
1.00
  
$
1.65
      
400,000
      
2.57
     $
1.65
      
400,000
     $
1.65
  
$
4.06
      
125,575
      
0.18
     $
4.06
      
125,575
     $
4.06
  
Total
      
825,575
      
1.64
     $
1.76
      
758,908
     $
1.82
  
  
Schedule of Share-based Payment Award, Stock Options, Valuation Assumptions [Table Text Block]
   
LiqTech
International, Inc.
  
Expected term (in years)
  
 5
-
10
  
Volatility
  
 74.65%
to
76.87%
  
Risk free interest rate
  
 1.38%
-
2.24%
  
Dividend yield
  
 
0%
 
  
  
Schedule of Share-based Compensation, Shares Authorized under Stock Option Plans, by Exercise Price Range [Table Text Block]
 
 
 
  
Options Outstanding
    
Options Exercisable
  
Exercise
Prices
    
Number
Outstanding
    
Weighted
Average
Remaining
Contractual
Life (years)
    
Weighted
Average
Exercise
Price
    
Number
Exercisable
    
Weighted
Average
Exercise
Price
  
$
0.74
      
400,000
      
3.62
     $
0.74
      
133,334
     $
0.74
  
$
0.75
      
100,000
      
3.29
     $
0.75
      
33,333
     $
0.75
  
$
1.01
      
130,000
      
8.97
     $
1.01
      
130,000
     $
1.01
  
$
1.90
      
238,000
      
0.08
     $
1.90
      
238,000
     $
1.90
  
Total
      
868,000
      
3.41
     $
1,10
      
534,667
     $
3.32
  
  
Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested and Expected to Vest, Outstanding and Exercisable [Table Text Block]
   
December
3
1
, 2016
  
   
Shares
    
Weighted
Average
Exercise
Price
    
Average
Remaining
Life
    
Weighted
Average
Intrinsic
Value
  
                                 
Outstanding at beginning of period
    
1,071,000
     $
1.19
      
3.93
     $
-
  
Granted
    
-
      
-
      
-
      
-
  
Exercised
    
-
      
-
      
-
      
-
  
Forfeited
    
(203,000
)
    
1.59
      
-
      
-
  
Expired
    
-
      
-
      
-
      
-
  
Outstanding at end of period
    
868,000
     $
1.10
      
3.41
     $
0
  
Vested and expected to vest
    
868,000
     $
1.10
      
3.41
     $
0
  
Exercisable end of period
    
534,667
     $
1.32
      
3.32
     $
0