CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS (UNAUDITED) (USD $) In Thousands	6 Months Ended
Jul. 02, 2011	Jul. 03, 2010
Cash (Used in) Provided by Operating Activities:
Net Income	$ 4,410	$ 2,888
Adjustments to reconcile net income to net cash used in operating activities:
Depreciation	2,712	2,892
Amortization	340	492
Restructuring charges paid	0	(724)
Amortization of deferred gain	(261)	(261)
Provision for bad debts	(2)	14
Deferred income taxes	0	2,213
Provision for accrued warranty costs	4	454
Warranty costs paid	(140)	(392)
Stock-based compensation and directors' fees	1,043	949
Excess tax benefit from stock-based awards	(612)	0
Unrealized gain on short-term investments	5	45
Unrealized loss (gain) on foreign exchange contracts	221	(304)
Unrealized foreign currency transaction (gain) loss	(186)	159
Changes in operating assets and liabilities:
Accounts receivable	(97)	231
Inventories	(10,220)	(7,654)
Other assets	(1,522)	(3,128)
Accounts payable	2,280	3,835
Other liabilities	(3,306)	(1,521)
Net Cash (Used in) Provided by Operating Activities	(5,331)	188
Cash (Used in) Provided by Investing Activities:
Purchases of short-term investments	(10,010)	(8,439)
Sales of short-term investments	11,915	14,548
Additions to property, plant and equipment	(1,851)	(2,970)
Additions to trademarks and patents	(91)	(137)
Net Cash (Used in) Provided by Investing Activities	(37)	3,002
Cash Provided by (Used in) Financing Activities:
Borrowing on long-term debt	11,000	0
Repayment of long-term debt	(9,000)	(4,500)
Excess tax benefit from stock-based awards	612	0
Proceeds from sale of Class A common stock, net	(118)	9
Purchase of treasury stock	(1,132)	(5)
Net Cash Provided by (Used in) Financing Activities	1,362	(4,496)
Effect of exchange rate changes on cash and cash equivalents	131	(116)
Decrease in Cash and Cash Equivalents	(3,875)	(1,422)
Cash and cash equivalents at beginning of period	16,650	10,443
Cash and Cash Equivalents at End of Period	12,775	9,021
SUPPLEMENTAL INFORMATION
Income taxes paid, net	453	780
Interest paid	$ 370	$ 521

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The aggregate expense charged against earnings to allocate the cost of intangible assets (nonphysical assets not used in production) in a systematic and rational manner to the periods expected to benefit from such assets. As a noncash expense, this element is added back to net income when calculating cash provided by or used in operations using the indirect method.