CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS (USD $) In Thousands	9 Months Ended
	Sep. 30, 2011	Sep. 30, 2010
Net income	$ 3,565	$ 2,935
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization	238	228
Deferred income taxes	340	320
Share-based compensation expense	824	892
Provision for doubtful accounts receivable	105	30
Reversal of uncertain tax position liability		(78)
Changes in operating assets and liabilities:
Accounts receivable	2,786	(7,161)
Inventory	(266)	(219)
Prepaid expenses and other current assets	(267)	(157)
Accounts payable and accrued expenses	(5,779)	4,020
Net change in other assets and liabilities	(2)	(4)
Net cash provided by operating activities	1,544	806
Cash flows from investing activities:
Purchases of available-for-sale securities	(4,161)	(5,472)
Redemptions of available-for-sale securities	4,280	6,519
Capital expenditures	(199)	(139)
Net cash provided by (used in) investing activities	(80)	908
Cash flows from financing activities:
Dividend paid	(2,247)	(2,128)
Treasury stock repurchased	(1,437)	(499)
Tax benefit from share- based compensation	205	23
Repayment of capital lease obligations	(62)	(7)
Proceeds from stock option exercises	71
Net cash used in financing activities	(3,470)	(2,611)
Effect of foreign exchange rate on cash	(92)	42
Net decrease in cash and cash equivalents	(2,098)	(855)
Cash and cash equivalents at beginning of period	10,955	8,560
Cash and cash equivalents at end of period	8,857	7,705
Supplementary disclosure of cash flow information:
Income taxes paid	1,931	1,401
Equipment financed with capital leases		$ 247