Accounts receivable

12 Months Ended

Sep. 30, 2013

Accounts Receivable [Abstract]

Account receivable

6. Accounts Receivable

The allowance for doubtful accounts developed as follows:

				Additions
		Balance at Beginning of Period		Charged to Cost and Expenses		Charged to Other Accounts		Deductions		Balance at End of Period
		$'000s
For the year ended September 30, 2013	$	1,408	$	748	$	-	$	568	$	1,588
For the year ended September 30, 2012		1,868		834		-		1,294		1,408
For the year ended September 30, 2011		1,681		1,034		-		847		1,868