Consolidated Statements Of Operations (USD $) In Thousands, except Per Share data, unless otherwise specified	3 Months Ended
	Mar. 31, 2012	Mar. 31, 2011
Revenues:
ETF advisory fees	$ 18,975	$ 14,273
Other income	195	260
Total revenues	19,170	14,533
Expenses:
Compensation and benefits	5,857	5,217
Fund management and administration	5,439	4,162
Marketing and advertising	1,326	972
Sales and business development	860	745
Professional and consulting fees	1,109	977
Occupancy, communication, and equipment	301	273
Depreciation and amortization	71	65
Third party sharing arrangements	1,745	1,128
Other	609	457
Litigation and ETF shareholder proxy	738
Exchange listing		382
Total expenses	18,055	14,378
Income before provision for income taxes	1,115	155
Provision for income taxes
Net income	$ 1,115	$ 155
Net income per share-basic	$ 0.01	$ 0.00
Net income per share-diluted	$ 0.01	$ 0.00
Weighted-average common shares-basic	119,182	113,463
Weighted-average common shares-diluted	137,400	134,470