Note 10: Intangible assets

	Acquired software $000	Internally generated software $000	Total $000
Cost
Balance at 1 July 2011	3,210	120	3,330
Additions	198	-	198
Disposals	(237)	-	(237)
Balance at 30 June 2012	3,171	120	3,291
Additions	396	-	396
Disposals	(22)	-	(22)
Balance at 30 June 2013	3,545	120	3,665
Accumulated amortisation and impairment losses
Balance at 1 July 2011	2,456	64	2,520
Amortisation expense	318	24	342
Disposals	(230)	-	(230)
Balance at 30 June 2012	2,544	88	2,632
Amortisation expense	318	24	342
Disposals	(1)	-	(1)
Balance at 30 June 2013	2,861	112	2,973
Carrying amounts
At 1 July 2011	754	56	810
At 30 June 2012	627	32	659
At 30 June 2013	684	8	692

There are no restrictions over the title of the Office's intangible assets. No intangible assets are pledged as security for liabilities.