Related Party

9 Months Ended

Sep. 30, 2011

Related Party [Abstract]

Related Party

7. Related Party

The Company generates commissions, technology products and services revenues, information and user access fees, investment income and other income and related accounts receivable balances from the Stockholder Broker-Dealer Client or its affiliates. In addition, the Stockholder Broker-Dealer Client acts in an investment advisory, custodial and cash management capacity for the Company. The Company incurs bank fees in connection with these arrangements. The Company also maintained an account with and paid commissions to the Stockholder Broker-Dealer Client in connection with a 2010 share repurchase program. As of the dates and for the periods indicated below, the Company had the following balances and transactions with the Stockholder Broker-Dealer Client or its affiliates:

	As of
	September 30, 2011		December 31, 2010
	(In thousands)
Cash and cash equivalents	$	146,577	$	110,642
Securities and cash provided as collateral		551		4,049
Accounts receivable		1,473		829
Accounts payable		36		66

	Three Months Ended September 30,				Nine Months Ended September 30,
	2011		2010		2011		2010
	(In thousands)
Commissions	$	1,857	$	1,368	$	5,080	$	4,106
Technology products and services		70		5		115		16
Information and user access fees		47		32		140		85
Investment income		19		33		66		68
Other income		17		16		51		47
General and administrative		20		3		60		24