Condensed Consolidated Statements Of Cash Flows (USD $)	9 Months Ended
	Sep. 30, 2013	Sep. 30, 2012
Operating activities:
Net loss	$ (5,133,000)	$ (3,337,000)
Adjustments to reconcile net loss to net cash provided by (used in) operating activities:
Depreciation	665,000	551,000
Amortization	1,009,000	1,227,000
Stock-based compensation	149,000	186,000
Goodwill impairment		3,175,000
Changes in operating assets and liabilities:
Accounts receivable, net	725,000	1,869,000
Inventories	(10,000)	1,192,000
Prepaid expenses and other receivables	(2,176,000)	(233,000)
Accounts payable	(333,000)	(1,046,000)
Accrued liabilities	688,000	(410,000)
Net cash provided by (used for) operating activities	(4,416,000)	3,174,000
Investing activities:
Purchases of marketable securities	(5,009,000)	(6,054,000)
Sales and maturities of marketable securities	5,943,000	4,992,000
Purchase of other investments	(300,000)
Capitalized software development costs	(714,000)
Purchases of property and equipment	(302,000)	(293,000)
Net cash used for investing activities	(382,000)	(1,355,000)
Financing activities:
Proceeds from exercise of stock options	9,000	121,000
Net cash provided by financing activities	9,000	121,000
Effect of exchange rate changes on cash	146,000	302,000
Increase (decrease) in cash and cash equivalents	(4,643,000)	2,242,000
Cash and cash equivalents at beginning of period	8,334,000	5,224,000
Cash and cash equivalents at end of period	$ 3,691,000	$ 7,466,000