The following table presents the valuation and qualifying account activity for fiscal year ended June 1, 2013, June 2, 2012, and May 28, 2011, (in thousands):


Description	Balance at beginning of period		Charged to expense			Deductions			Balance at end of period
Year ended June 1, 2013
Allowance for doubtful accounts	$	1,058	$	135	(1)	$	101	(2)	$	1,092
Inventory provisions		2,976		412	(3)		673	(4)		2,715
Warranty reserves		148		259			219			188

Year ended June 2, 2012
Allowance for doubtful accounts	$	438	$	638	(1)	$	18	(2)	$	1,058
Inventory provisions		4,519		445	(3)		1,988	(4)		2,976
Warranty reserves		138		328			318			148

Year ended May 28, 2011
Allowance for doubtful accounts	$	369	$	318	(1)	$	249	(2)	$	438
Inventory provisions		11,050		1,055	(3)		7,586	(4)		4,519
Warranty reserves		138		341			341			138

Notes:

(1)

Charges to bad debt expense

(2)

Uncollectible amounts written off, net of recoveries and foreign currency translation.

(3)

Charges to cost of sales. Included in fiscal 2013 are inventory write-downs of $0.2 million for EDG and $0.2 million for Canvys. Included in fiscal 2012 are inventory write-downs of $0.2 million for EDG and $0.2 million for Canvys. Included in fiscal 2011 are inventory write-downs of $0.7 million for EDG and $0.4 million for Canvys.

(4)

Inventory disposed of or sold, net of foreign currency translation.