CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS (USD $)	6 Months Ended
	Jun. 30, 2013	Jun. 30, 2012
Operating activities:
Net income	$ 130,000	$ 455,000
Adjustments to reconcile net income to net cash from operating activities:
Depreciation and amortization	3,110,000	2,995,000
Deferred income tax	(6,000)	0
Loss (gain) on foreign currency transactions	534,000	5,000
Stock based compensation expense	57,000	59,000
Loss (Gain) on sale of assets	0	3,000
Changes in operating assets and liabilities:
Receivables	(1,398,000)	174,000
Prepaid expenses and other assets	162,000	(581,000)
Customer deposits/deferred revenue	(12,000)	(25,000)
Accounts payable and accrued liabilities	1,014,000	(326,000)
Net cash from operating activities	3,591,000	2,759,000
Investing activities:
Payment for purchase of property and equipment	(3,178,000)	(3,709,000)
Investment in subsidiaries by non-controlling interests	0	79,000
Payment for repurchase of common stock	0	(29,000)
Investment in convertible preferred stock	(14,000)	(31,000)
Net cash from investing activities	(3,192,000)	(3,690,000)
Financing activities:
Principal payments on long-term debt	(1,499,000)	(1,950,000)
Principal payments on capital leases	(1,930,000)	(1,833,000)
Long term debt financing on property and equipment	3,013,000	3,925,000
Advances on line of credit	229,000	350,000
Payments on line of credit	(79,000)	(600,000)
Capital contributions from non-controlling interests	33,000	0
Distributions to non-controlling interests	(385,000)	(539,000)
Net cash from financing activities	(618,000)	(647,000)
Net change in cash and cash equivalents	(219,000)	(1,578,000)
Cash and cash equivalents at beginning of period	1,564,000	2,580,000
Cash and cash equivalents at end of period	1,345,000	1,002,000
Supplemental cash flow disclosure:
Interest	193,000	1,204,000
Income taxes	1,000	86,000
Schedule of non-cash investing and financing activities
Acquisition of equipment with capital lease financing	$ 0	$ 264,000