Condensed Consolidated Statements of Cash Flows (Unaudited) (USD $) In Thousands, unless otherwise specified	9 Months Ended
	Sep. 30, 2014	Sep. 30, 2013
Operating activities:
Net loss	$ (5,841)	$ (5,133)
Adjustments to reconcile net loss to net cash provided by (used for) operating activities:
Depreciation	428	665
Amortization	1,172	1,009
Stock-based compensation	299	149
Impairment of investment	150
Changes in operating assets and liabilities:
Accounts receivable, net	(1,143)	725
Inventories	52	(10)
Prepaid expenses and current assets	202	(2,176)
Accounts payable	1,209	(333)
Accrued liabilities	(663)	688
Net cash used for operating activities	(4,135)	(4,416)
Investing activities:
Sales and maturities of marketable securities	2,639	5,943
Purchases of marketable securities		(5,009)
Purchases of property and equipment	(331)	(302)
Purchase of other investments		(300)
Capitalized software development costs	(42)	(714)
Net cash provided by (used for) investing activities	2,266	(382)
Financing activities:
Proceeds from exercise of stock options		9
Net cash provided by financing activities		9
Effect of exchange rate changes on cash	(474)	146
Decrease in cash and cash equivalents	(2,343)	(4,643)
Cash and cash equivalents at beginning of period	3,564	8,334
Cash and cash equivalents at end of period	$ 1,221	$ 3,691