Note 2 - Variable Interest Entities (Detail) (USD $)	12 Months Ended
	Dec. 31, 2012	Dec. 31, 2011
Business Acquisition, Cost of Acquired Entity, Purchase Price	$ 10
Sales Revenue, Services, Net	46,600,000	28,731,000
Cost of Services	31,558,000	12,027,000
Operating Expenses	10,532,000	13,542,000
Net Income (Loss), Including Portion Attributable to Noncontrolling Interest	3,408,000	2,781,000
VIEs [Member]
Sales Revenue, Services, Net	46,355,000	24,109,000
Cost of Services	31,550,000	11,772,000
Operating Expenses	7,655,000	6,424,000
Net Income (Loss), Including Portion Attributable to Noncontrolling Interest	$ 5,910,000	$ 5,849,000
PRC Operating Entity [Member]
Percentage Of Net Income	100.00%
VIEs [Member]
Percentage Of Net Income	100.00%