Summary of Significant Accounting Policies (Tables)

6 Months Ended

Jun. 30, 2012

Summary of Significant Accounting Policies [Abstract]

Summary of activities for discontinued operations

	Three Months Ended
(in thousands)	June 30, 2012			July 2, 2011
Net sales	$	299		$	2,713
(Loss) gain from discontinued operations	$	(61	)	$	39
(Loss) income before income taxes	$	(61	)	$	39
Income tax benefit (expense)	$	0		$	(29	)
(Loss) income from discontinued operations, net of tax	$	(61	)	$	10

Summary of the assets and liabilities of discontinued operations

	June 30, 2012		December 31, 2011
Assets:
Cash	$	105	$	382
Accounts receivable, net		194		2,065
Inventory, net		245		3,480
Other current assets		14		116
Total current assets		558		6,043
Restricted cash		510		0
Property, plant & equipment, net		4		24
Intangible assets, net		0		813
Other assets		0		4
Total assets	$	1,072	$	6,884
Liabilities:
Accounts payable	$	36	$	387
Accrued liabilities		43		967
Accrued warranty		0		234
Deferred revenue		0		1,075
Total liabilities	$	79	$	2,663

Reconciliation of the changes in the Company's deferred revenue balance

	Six Months Ended
(in thousands)	June 30, 2012			July 2, 2011
Balance, beginning of period	$	1,014		$	1,002
Additions to deferral		339			530
Revenue recognized		(553	)		(555	)
Balance, end of period	$	800		$	977

Reconciliation of the changes in the Company's warranty liability

	Six Months Ended
(in thousands)	June 30, 2012			July 2, 2011
Balance, beginning of period	$	556		$	607
Accruals for product warranties		85			83
Cost of warranty claims and adjustments		(116	)		(62	)
Balance, end of period	$	525		$	628

Schedule of Intangible assets

	June 30, 2012						December 31, 2011
	Gross Carrying Amount		Accumulated Amortization		Net Carrying Amount		Gross Carrying Amount		Accumulated Amortization		Net Carrying Amount		Amortization Life
Patents	$	720	$	271	$	449	$	720	$	187	$	533	Varies
Customer Relations		240		36		204		240		28		212	13.4 years
	$	960	$	307	$	653	$	960	$	215	$	745

Future estimated amortization expense

Future estimated amortization expense (in thousands):
2012 (six months)	$	70
2013		334
2014		85
2015		16
2016		16
Thereafter		132
Total	$	653