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CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS (USD $)
 6 Months Ended
Jun. 30, 2014
Jun. 30, 2013
Operating activities:    
Net (loss) income $ (1,105,000) $ 130,000
Adjustments to reconcile net income to net cash from operating activities:    
Depreciation and amortization 3,292,000 3,110,000
Loss on sale of subsidiary 572,000 0
Deferred income tax (47,000) (6,000)
(Gain) loss on foreign currency transactions (161,000) 534,000
Stock based compensation expense 46,000 57,000
Changes in operating assets and liabilities:    
Receivables (86,000) (1,398,000)
Prepaid expenses and other assets (4,000) 162,000
Customer deposits/deferred revenue (25,000) (12,000)
Accounts payable and accrued liabilities (90,000) 1,014,000
Net cash from operating activities 2,392,000 3,591,000
Investing activities:    
Payment for purchase of property and equipment (296,000) (553,000)
Investment in convertible preferred stock 0 (14,000)
Proceeds from sale of subsidiary 768,000 0
Net cash from investing activities 472,000 (567,000)
Financing activities:    
Principal payments on long-term debt (1,772,000) (1,499,000)
Principal payments on capital leases (2,165,000) (1,930,000)
Long term debt financing on property and equipment 0 388,000
Advances on line of credit 70,000 229,000
Payments on line of credit (1,200,000) (79,000)
Capital contributions from non-controlling interests 102,000 33,000
Distributions to non-controlling interests (434,000) (385,000)
Repurchase common stock (2,000) 0
Private placement common stock 1,580,000 0
Net cash from financing activities (3,821,000) (3,243,000)
Effect of changes in foreign exchange rates on cash (8,000) 0
Net change in cash and cash equivalents (965,000) (219,000)
Cash and cash equivalents at beginning of period 1,909,000 1,564,000
Cash and cash equivalents at end of period 944,000 1,345,000
Cash paid during the period for:    
Interest 1,122,000 1,109,000
Income taxes 51,000 0
Schedule of non-cash investing and financing activities    
Acquisition of equipment with capital lease financing 2,732,000 2,625,000
Equipment relieved in sale of subsidiary (4,921,000) 0
Other assets relieved in sale of subsidiary (826,000) 0
Debt relieved in sale of subsidiary 5,181,000 0
Other liabilities relieved in sale of subsidiary 14,000 0
Net equity releived in sale of subsidiary 1,351,000 0
OCI released to net income in sale of subsidiary (779,000) 0
Investment released to net income in sale of subsidiary $ (1,360,000) $ 0