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Note 20 - The Financing and Warrants Liabilities (Tables)
 6 Months Ended
Jun. 30, 2018
Notes Tables  
Fair Value Measurement Inputs and Valuation Techniques [Table Text Block]
    Valuation technique(s)   Unobservable inputs   Value of inputs
Goodwill  
Discounted Cash Flow
  
Base projection period (years)
  
5
   
 
  
Discount rate
  
20%
   
 
  
Terminal growth rate
  
3.5%
Allocation of Proceeds from Issuance of Equity [Table Text Block]
    Initial measurement
    (USD’000)
     
Investor warrants    
1,890
  
Common Stock (par value and additional paid in capital)    
9,183
  
Total proceeds from the Financing    
11,073
  
Schedule of Warrant Liabilities [Table Text Block]
                Change in Fair Value (gain)/loss
    As of
June 30, 2018		   As of
March 31, 2018		   As of
January 17, 2018		   Six Months Ended
June 30, 2018		   Three Months Ended
June 30, 2018
Fair value of the Warrants:                    
Investor warrants    
1,103
      
664
      
1,890
      
(787
 )    
439
  
Placement agent warrants    
224
      
137
      
385
      
(161
 )    
87
  
Warrant liabilities    
1,327
      
801
      
2,275
      
(948
 )    
526
  
Schedule of Warrant Activity [Table Text Block]
    Warrants Outstanding   Warrants Exercisable
    Number of
underlying
shares		   Weighted
Average
Exercise
Price		   Average
Remaining
Contractual
Life (years)		   Number of
underlying
shares		   Weighted
Average
Exercise
Price		   Average
Remaining
Contractual
Life (years)
                         
Balance, January 1, 2018    
-
      
 
      
 
      
-
      
 
      
 
  
Granted/Vested    
774,000
     $
6.60
      
2.58
      
645,000
     $
6.60
      
2.50
  
Forfeited    
-
      
 
      
 
      
-
      
 
      
 
  
Exercised    
-
      
 
      
 
      
-
      
 
      
 
  
Balance, June 30, 2018 (Unaudited)    
774,000
     $
6.60
      
2.13
      
645,000
     $
6.60
      
2.05
  
Warrant [Member]  
Notes Tables  
Fair Value Measurement Inputs and Valuation Techniques [Table Text Block]
    Investors warrants   Placement agent warrants
    January 17,
2018		   March 31,
2018		   June 30,
2018		   January 17,
2018		   March 31,
2018		   June 30,
2018
                         
Stock price   $
3.98
     $
1.67
     $
2.52
     $
3.98
     $
1.67
     $
2.52
  
Years to maturity    
2.5
      
2.3
      
2.1
      
3.0
      
2.8
      
2.55
  
Risk-free interest rate    
2.22
 %    
2.35
 %    
2.53
 %    
2.39
 %    
2.50
 %    
2.56
 %
Dividend yield    
-
      
-
      
-
      
-
      
-
      
-
  
Expected volatility    
158
 %    
164
 %    
174
 %    
147
 %    
152
 %    
159
 %
Exercise Price   $
6.60
     $
6.60
     $
6.60
     $
6.60
     $
6.60
     $
6.60
  
                                                 
Fair value of the warrant   $
2.93
     $
1.03
     $
1.71
     $
2.99
     $
1.06
     $
1.74