Consolidated Statements of Cash Flows (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2011	Dec. 31, 2010
OPERATING ACTIVITIES:
Net income (loss)	$ 657	$ (187)
Adjustments to reconcile net income (loss) to net cash provided by operating activities:
Depreciation and amortization	435	502
Stock-based compensation expense	43	8
Loss on sale of discontinued operations		344
Non-cash interest income, net	(16)	(63)
Equity in (income) loss of affiliate company	(2)	41
Changes in operating assets and liabilities, net of effect of sale of discontinued operations
Accounts receivable, net	(277)	(547)
Inventories, net	9	131
Other current assets	120	(5)
Accounts payable	141	(254)
Accrued payroll	(90)	127
Deferred revenue	(717)	319
Accrued expenses	29	75
Other current liabilities	62	1
Other long term liabilities	3	89
Net cash provided by operating activities	397	581
INVESTING ACTIVITIES:
Purchase of marketable securities	(222)
Proceeds from note and interest receivable	600
Purchases of property and equipment	(464)	(349)
Net cash used by investing activities	(86)	(349)
FINANCING ACTIVITIES:
Payments on notes payable		(116)
Net cash used by financing activities		(116)
Effects of exchange rate changes on cash	(101)	31
Net increase in cash	210	147
Cash at beginning of year	2,942	2,795
Cash at end of year	3,152	2,942
NON-CASH INVESTING ACTIVITIES:
Conversion of note receivable to investment		108
SUPPLEMENTAL DISCLOSURE OF CASH FLOW INFORMATION:
Cash paid for interest		3
Cash paid for income taxes	$ 70	$ 52