Valuation and Qualifying Accounts

12 Months Ended

Dec. 31, 2011

Valuation and Qualifying Accounts [Abstract]

Valuation and Qualifying Accounts

Valuation and Qualifying Accounts
(US $ in thousands)
		Charges	Charges
		to	to
	Beginning	Costs and	Other	Deductions		End of
	of year	Expenses	Accounts	(1	)	Year
Allowance for doubtful accounts:
Year ended December 31, 2009	328	-	-	(75	)	253
Year ended December 31, 2010	253	138	-	(52	)	339
Year ended December 31, 2011	339	158	-	(98	)	399
Allowance for net deferred
tax assets:
Year ended December 31, 2009	22,782	544	-	-		23,326
Year ended December 31, 2010	23,326	-	-	(984	)	22,342
Year ended December 31, 2011	22,342	-	-	(2,414	)	19,928

(1) Write-off, net of recoveries for the allowance for doubtful accounts.