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Note 2 - Variable Interest Entities (Detail) (USD $) | 3 Months Ended
--- | ---
Mar. 31, 2013 | Mar. 31, 2012
Sales Revenue, Services, Net | $ 7,049,000 | $ 14,935,000
Cost of Services | 4,467,000 | 12,538,000
Operating Expenses | 2,639,000 | 2,263,000
Net Income (Loss), Including Portion Attributable to Noncontrolling Interest | (11,000) | (291,000)
VIEs [Member] |  |
Sales Revenue, Services, Net | 6,950,000 | 14,896,000
Cost of Services | 4,467,000 | 12,536,000
Operating Expenses | 2,090,000 | 1,655,000
Net Income (Loss), Including Portion Attributable to Noncontrolling Interest | $ 400,000 | $ 233,000

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