Condensed Consolidated Statements of Cash Flows (Unaudited) (USD $)	9 Months Ended
	Sep. 30, 2012	Sep. 30, 2011
Operating activities:
Net (loss) income	$ (32,000)	$ 41,000
Reconciliation of income (loss) to cash provided by (used in) operating activities:
Depreciation and amortization	1,226,000	1,250,000
Compensation costs – stock options	206,000	145,000
Provision for losses on accounts receivable	54,000	17,000
Gain from disposal of property and equipment	(4,000)	(107,000)
Change in operating assets and liabilities:
Accounts receivable	2,941,000	(3,973,000)
Prepaid expenses	(57,000)	52,000
Refundable income taxes		14,000
Other current assets	(112,000)	(196,000)
Other assets, net	(13,000)	(14,000)
Accounts payable	(3,591,000)	3,479,000
Accrued payroll and other compensation	(93,000)	335,000
Accrued income taxes	(17,000)	10,000
Other accrued taxes	(52,000)	(49,000)
Deferred revenues	381,000	318,000
Other liabilities and accrued expenses	(16,000)	80,000
Net cash provided by operating activities	821,000	1,402,000
Investing activities:
Capital expenditures	(1,309,000)	(1,320,000)
Proceeds from disposal of property and equipment	40,000	361,000
Net cash used in investing activities	(1,269,000)	(959,000)
(Decrease) increase in cash and cash equivalents	(448,000)	443,000
Cash and cash equivalents at beginning of year	7,324,000	5,565,000
Cash and cash equivalents at end of period	$ 6,876,000	$ 6,008,000