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