Note 2 - Variable Interest Entities (Detail) (USD $)	3 Months Ended		6 Months Ended
	Jun. 30, 2012	Jun. 30, 2011	Jun. 30, 2012	Jun. 30, 2011
Sales Revenue, Services, Net	$ 13,127,000	$ 9,081,000	$ 28,062,000	$ 16,093,000
Cost of Services	9,364,000	3,437,000	21,902,000	5,458,000
Operating Expenses	2,955,000	2,255,000	5,218,000	4,209,000
Net Income (Loss) Attributable to Parent	895,000	2,994,000	529,000	5,806,000
VIEs [Member]
Sales Revenue, Services, Net	13,083,000	7,978,000	27,979,000	11,764,000
Cost of Services	9,361,000	3,376,000	21,897,000	5,250,000
Operating Expenses	2,055,000	1,585,000	3,711,000	2,828,000
Net Income (Loss) Attributable to Parent	$ 1,865,000	$ 2,713,000	$ 2,098,000	$ 3,489,000