CONSOLIDATED STATEMENTS OF CASH FLOWS (USD $)	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
OPERATING ACTIVITIES
Net income (loss)	$ (113,000)	$ 813,000	$ 1,489,000
Adjustments to reconcile net income to net cash from operating activities:
Depreciation and amortization	6,410,000	6,096,000	6,272,000
Loss (gain) on disposal of assets	20,000	3,000	(72,000)
Deferred income tax	59,000	25,000	76,000
(Gain) loss on foreign currency transactions	1,174,000	(132,000)	27,000
Stock-based compensation expense	88,000	74,000	125,000
Changes in operating assets and liabilities:
Receivables	(643,000)	655,000	(961,000)
Prepaid expenses and other assets	58,000	(316,000)	(1,063,000)
Accounts payable and accrued liabilities	1,023,000	(349,000)	957,000
Net cash from operating activities	8,076,000	6,869,000	6,850,000
INVESTING ACTIVITIES
Payment for purchase of property and equipment	(1,710,000)	(6,634,000)	(5,613,000)
Investment in equity securities	(14,000)	(31,000)	(39,000)
Net cash from investing activities	(1,724,000)	(6,665,000)	(5,652,000)
FINANCING ACTIVITIES
Principal payments on long-term debt	(3,523,000)	(6,818,000)	(3,889,000)
Principal payments on capital leases	(3,476,000)	(3,732,000)	(2,983,000)
Long term debt financing on property and equipment	1,298,000	9,219,000	6,980,000
Advances on line of credit	369,000	1,300,000	350,000
Payments on line of credit	(79,000)	(600,000)	(1,000,000)
Capital contributions from non-controlling interests	184,000	217,000	1,509,000
Distributions to non-controlling interests	(792,000)	(780,000)	(996,000)
Stock repurchase	0	(28,000)	0
Net cash from financing activities	(6,019,000)	(1,222,000)	(29,000)
Net change in cash and cash equivalents	333,000	(1,018,000)	1,169,000
Effect of changes in foreign exchange rates on cash	12,000	2,000	(27,000)
CASH AND CASH EQUIVALENTS, beginning of year	1,564,000	2,580,000	1,438,000
CASH AND CASH EQUIVALENTS, end of year	1,909,000	1,564,000	2,580,000
SUPPLEMENTAL CASH FLOW DISCLOSURE
Cash paid for interest	2,116,000	2,352,000	2,503,000
Cash paid for income taxes	44,000	158,000	90,000
SCHEDULE OF NONCASH INVESTING AND FINANCING ACTIVITIES
Acquisition of equipment with capital lease financing	$ 3,478,000	$ 264,000	$ 6,400,000