Condensed Consolidated Statements Of Cash Flows (unaudited) (USD $) In Thousands	9 Months Ended
	Sep. 30, 2011	Sep. 30, 2010
Cash flows from operating activities:
Net income	$ 7,446	$ 7,109
Adjustments to reconcile net income to net cash provided by (used in) operating activities:
Depreciation and amortization	455	381
Amortization of deferred compensation	557	673
Provision for doubtful accounts	1,101	959
Provision for inventory reserve	(89)	99
Changes in operating assets and liabilities:
Trade receivables	(6,312)	(6,089)
Inventories	4,307	(3,476)
Prepaid expenses	549	(317)
Other current assets	(2,757)	(92)
Accounts payable	(1,874)	(584)
Accrued expenses and other current liabilities	2,775	(1,095)
Net cash provided by (used in) operating activities	6,158	(2,432)
Cash flows from investing activities:
Purchases of equipment	(280)	(100)
Purchases of intangible assets	(1,501)
Net cash used in investing activities	(1,781)	(100)
Cash flows from financing activities:
Principal payments under capital lease obligation	(3)	(11)
Proceeds from exercise of stock options	3	10
Debt financing costs	(5)	(14)
Net cash used in financing activities	(5)	(15)
Effects of exchange rate changes	195	253
Net increase (decrease) in cash and cash equivalents	4,567	(2,294)
Cash and cash equivalents at beginning of period	6,724	12,562
Cash and cash equivalents at end of period	11,291	10,268
Supplemental disclosure of cash flow information
Interest paid	63	29
Income taxes paid	$ 131	$ 174