Consolidated Statements of Cash Flows (Unaudited) (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 31, 2012	Mar. 31, 2011
OPERATIONS:
Net loss	$ (256)	$ (354)
Adjustments to reconcile net loss to net cash used for operating activities:
Depreciation and amortization	138	61
Stock-based compensation expense	19	8
Non-cash interest income, net	(4)	(3)
Equity in (income) loss of affiliate company	4	(9)
Changes in operating assets and liabilities
Accounts receivable	(241)	(98)
Inventories	(61)	(80)
Other current assets	(1)	(239)
Accounts payable	291	177
Deferred revenue	8	156
Accrued payroll	(49)	(29)
Accrued expenses	(31)	16
Other current liabilities	(89)	(31)
Other long-term liabilities	(11)	(23)
Net cash used for operating activities	(283)	(448)
INVESTING ACTIVITIES:
Proceeds from notes and interest receivable	250	600
Purchases of property and equipment	(71)	(191)
Net cash provided by investing activities	179	409
Effects of exchange rate changes on cash	29	(2)
Net decrease in cash	(75)	(41)
Cash at beginning of period	3,152	2,942
Cash at end of period	3,077	2,901
SUPPLEMENTAL DISCLOSURE OF CASH FLOW INFORMATION:
Cash paid during the period for income taxes	$ 13	$ 19