Consolidated Statements of Cash Flows (USD $) In Thousands	6 Months Ended
	Jun. 30, 2011	Jun. 30, 2010
OPERATIONS:
Net income	$ 283	$ 383
Adjustments to reconcile net income to net cash provided by (used for) operating activities:
Depreciation and amortization	180	234
Stock-based compensation expense	17	5
Non-cash interest income, net	(8)	(36)
Equity in (income) loss of affiliate company	(20)	22
Changes in operating assets and liabilities
Accounts receivable	(714)	(700)
Inventories	(95)	192
Other current assets	(113)	219
Accounts payable	167	48
Deferred revenue	227	(635)
Accrued payroll	(90)	10
Accrued expenses and other liabilities	181	182
Net cash provided by (used for) operating activities	15	(76)
INVESTING ACTIVITIES:
Proceeds from note and interest receivable	600	2
Purchases of property and equipment	(361)	(226)
Net cash provided by (used for) investing activities	239	(224)
FINANCING ACTIVITIES:
Payments on notes payable		(116)
Net cash used for financing activities		(116)
Effects of exchange rate changes on cash	(6)	21
Net increase (decrease) in cash	248	(395)
Cash at beginning of period	2,942	2,795
Cash at end of period	3,190	2,400
SUPPLEMENTAL DISCLOSURE OF CASH FLOW INFORMATION:
Cash paid during the period for interest		3
Cash paid during the period for income taxes	$ 19	$ 25