23 Receivables
2007  | 
        2006  | 
        |
$000  | 
        $000  | 
        |
Current  | 
              
  | 
              
  | 
            
Receivables  | 
              6,579  | 
              3,122  | 
            
Allowance for impairment of receivables  | 
              (47)  | 
              (104)  | 
            
GST receivable  | 
              6,819  | 
              8,942  | 
            
Other receivables – external works  | 
              323  | 
              64  | 
            
  | 
              13,674  | 
              12,024  | 
            
  | 
              
  | 
              
  | 
            
Prepayments  | 
              596  | 
              560  | 
            
  | 
              14,270  | 
              12,584  | 
            



