Consolidated Statements of Cash Flows (Unaudited) (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 31, 2014	Mar. 31, 2013
OPERATIONS:
Net loss	$ (762)	$ (69)
Adjustments to reconcile net loss to net cash provided by (used for) operating activities:
Depreciation and amortization	91	117
Stock-based compensation expense	21	20
Non-cash interest income, net		(1)
Equity in (income) loss of affiliate company	(5)	1
Changes in operating assets and liabilities
Accounts receivable	(256)	180
Inventories, net	18	(45)
Other current assets	41	(10)
Other long term assets	11
Accounts payable	115	90
Accrued payroll	(65)	(58)
Deferred revenue	(143)	153
Accrued expenses	104	(244)
Accrued settlement	447	99
Other current liabilities	(11)	(41)
Other long-term liabilities	(25)	(5)
Net cash provided by (used for) operating activities	(419)	187
INVESTING ACTIVITIES:
Proceeds from notes and interest receivable		250
Purchases of property and equipment	(86)	(179)
Net cash provided by (used for) investing activities	(86)	71
Effects of exchange rate changes on cash	(5)	6
Net increase (decrease) in cash	(510)	264
Cash at beginning of period	3,433	2,347
Cash at end of period	2,923	2,611
SUPPLEMENTAL DISCLOSURE OF CASH FLOW INFORMATION:
Cash paid during the period for income taxes	$ 13	$ 20