CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 31, 2013	Mar. 31, 2012
Cash flows from operating activities:
Net income	$ 2,690	$ 590
Adjustments to reconcile net income to cash flows from operating activities:
Depreciation and amortization	2,338	2,263
Stock-based compensation expense	96	111
Excess tax benefit from stock-based awards		(16)
Tax benefit from stock option exercises		18
Deferred tax expense (benefit)	97	(76)
Provision for doubtful accounts	246	688
Other	152	(199)
Changes in operating assets and liabilities:
Accounts, notes and other receivables	2,578	(78)
Inventories	(7,414)	(6,204)
Prepaid expenses and other assets	(3,317)	(1,292)
Accounts payable	(950)	1,233
Other liabilities	(6,387)	(4,758)
Cash flows from operating activities	(9,871)	(7,720)
Cash flows from investing activities:
Capital expenditures	(987)	(1,906)
Other	29	46
Cash flows from investing activities	(958)	(1,860)
Cash flows from financing activities:
Borrowings under lines of credit		3,000
Proceeds from issuance of common stock		102
Excess tax benefit from stock-based awards		16
Cash flows from financing activities		3,118
Effect of foreign exchange rate changes on cash	(853)	242
Decrease in cash	(11,682)	(6,220)
Cash, beginning of period	73,406	49,888
Cash, end of period	61,724	43,668
Supplemental Cash Flow Information:
Interest paid	2,378	2,364
Income taxes paid	$ 2,514	$ 2,988