Consolidated Statements Of Operations (USD $) In Thousands, except Per Share data	3 Months Ended		9 Months Ended
	Sep. 30, 2011	Sep. 30, 2010	Sep. 30, 2011	Sep. 30, 2010
Revenues
ETF advisory fees	$ 17,554	$ 9,860	$ 48,341	$ 27,456
Other income	182	270	644	743
Total revenues	17,736	10,130	48,985	28,199
Expenses
Compensation and benefits	5,085	4,405	14,912	14,260
Fund management and administration	5,093	3,569	14,991	10,272
Marketing and advertising	911	745	3,240	2,331
Sales and business development	954	766	2,612	1,972
Professional and consulting fees	1,473	795	3,922	2,526
Occupancy, communication and equipment	288	273	846	829
Depreciation and amortization	68	80	200	235
Third party sharing arrangements	1,794	609	4,434	1,485
Other	711	405	1,625	1,258
Total expenses	16,377	11,647	46,782	35,168
Income/(loss) before provision for income taxes	1,359	(1,517)	2,203	(6,969)
Provision for income taxes	625		1,013
Tax benefit	(625)		(1,013)
Net income/(loss)	$ 1,359	$ (1,517)	$ 2,203	$ (6,969)
Net income/(loss) per share-basic	$ 0.01	$ (0.01)	$ 0.02	$ (0.06)
Net income/(loss) per share-diluted	$ 0.01	$ (0.01)	$ 0.02	$ (0.06)
Weighted average common shares-basic	114,238	112,424	113,886	111,675
Weighted average common shares-diluted	136,075	112,424	135,615	111,675