CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS (USD $)	6 Months Ended
	Jun. 30, 2012	Jun. 30, 2011
Operating activities:
Net income	$ 455,000	$ 490,000
Adjustments to reconcile net income to net cash from operating activities:
Depreciation and amortization	2,995,000	2,880,000
Stock based compensation expense	59,000	77,000
Loss (Gain) on sale of assets	3,000	(53,000)
Changes in operating assets and liabilities:
Receivables	174,000	(677,000)
Prepaid expenses and other assets	(581,000)	(297,000)
Customer deposits/deferred revenue	(25,000)	103,000
Accounts payable and accrued liabilities	(326,000)	556,000
Net cash from operating activities	2,754,000	3,079,000
Investing activities:
Payment for purchase of property and equipment	(3,709,000)	(1,770,000)
Investment in subsidiaries by non-controlling interests	79,000	970,000
Payment for repurchase of common stock	(29,000)	0
Investment in convertible preferred stock	(31,000)	0
Proceeds received towards equipment held for sale	0	1,654,000
Net cash from investing activities	(3,690,000)	854,000
Financing activities:
Principal payments on long-term debt	(1,950,000)	(1,704,000)
Principal payments on capital leases	(1,833,000)	(1,422,000)
Long term debt financing on property and equipment	3,925,000	0
Advances on line of credit	350,000	0
Payments on line of credit	(600,000)	(800,000)
Distributions to non-controlling interests	(539,000)	(627,000)
Net cash from financing activities	(647,000)	(4,553,000)
Net change in cash and cash equivalents	(1,583,000)	(620,000)
Cash and cash equivalents at beginning of period	2,580,000	1,438,000
Cash and cash equivalents at end of period	997,000	818,000
Supplemental cash flow disclosure:
Interest	1,204,000	1,237,000
Income taxes	86,000	40,000
Schedule of non-cash investing and financing activities
Acquisition of equipment with capital lease financing	$ 264,000	$ 3,472,000