CONSOLIDATED STATEMENTS OF CASH FLOWS (USD $)	3 Months Ended
	Mar. 31, 2013	Mar. 31, 2012
Cash flows from operating activities
Net incomre (loss)	$ (25,000)	$ (55,000)
Adjustments to reconcile net loss to net cash used in operating activities:
Stock option compensation	1,000	2,000
Changes in operating assets and liabilities:
Accounts receivable	0	43,000
Prepaid expenses and other current assets	12,000	29,000
Accounts payable and accrued expenses	(2,000)	(45,000)
Net cash used in operating activities	(14,000)	(26,000)
Net change in cash	(14,000)	(26,000)
Cash, beginning of year	13,268,000	12,678,000
Cash, end of year	13,254,000	12,652,000
Supplemental disclosure of cash flow information:
Interest paid	0	0
Income taxes paid	$ 26,000	$ 0