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 (loss)	$ 607	$ (8,866)
Adjustments to reconcile net income (loss) to net cash provided by (used in) operating activities:
Recovery of uncollectible accounts and returns	(12)	(12)
Provision for excess and obsolete inventories		100
Depreciation and amortization	416	567
Amortization of stock-based compensation	272	262
Change in assets and liabilities:
Trade accounts receivable	(226)	865
Inventories	110	(416)
Prepaid expenses and other current assets	282	1,466
Other assets	139	(516)
Accounts payable, deferred revenue and accrued liabilities	(1,031)	2,426
Accrued compensation	(257)	(68)
Deferred lease obligations	(47)	(39)
Net cash provided by (used in) operating activities	253	(4,231)
Cash flows from investing activities:
Purchase of property and equipment	(169)	(38)
Purchase of capitalized software	(69)	(30)
Proceeds from the sale of marketable securities	5,503	5,094
Purchase of marketable securities	(2,800)	(2,950)
Net cash provided by investing activities	2,465	2,076
Cash flows from financing activities:
Borrowings under credit facility	7,000	5,500
Payments on credit facility	(7,000)	(5,500)
Proceeds from the exercise of stock options	527
Net cash provided by financing activities	527
Effect of exchange rate changes on cash and cash equivalents	96	(160)
Net increase (decrease) in cash and cash equivalents	3,341	(2,315)
Cash and cash equivalents at beginning of period	4,772	8,115
Cash and cash equivalents at end of period	$ 8,113	$ 5,800