CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS (USD $)	6 Months Ended
	Jun. 30, 2011	Jun. 30, 2010
Cash Flows from Operating Activities:
Net loss	$ (4,295,256)	$ (1,757,342)
Loss from discontinued operations	1,752	21,173
Loss from continuing operations	(4,293,504)	(1,736,169)
Adjustments to reconcile loss from continuing operations to net cash provided by operating activities:
Stock-based compensation expense	1,429,963	1,218,747
Provision for doubtful accounts	80,690	5,403
Depreciation and amortization	3,166,041	2,138,959
Impairment charges	0	555,000
Deferred rent	671,474	687,826
Gain on disposal of equipment	0	(20,600)
Gain on disposition of assets	0	(1,318,607)
Changes in operating assets and liabilities:
Accounts receivable	518,124	779,183
Other receivables	40,997	50,351
Prepaid expenses and other current assets	(218,065)	(1,073,694)
Other assets	15,000	10,118
Accounts payable	(466,223)	(393,619)
Accrued expenses	(2,183,027)	(1,497,251)
Deferred revenue	3,275,530	1,537,947
Other current liabilities	(16,172)	(67,991)
Other liabilities	0	15,167
Net cash provided by continuing operations	2,020,828	890,770
Net cash used in discontinued operations	(3,577)	(21,085)
Net cash provided by operating activities	2,017,251	869,685
Cash Flows from Investing Activities:
Purchase of marketable securities	(16,466,052)	(92,297,898)
Sale of marketable securities	28,452,354	50,487,087
Capital expenditures	(1,012,748)	(948,378)
Sale of Promotions.com	265,000	802,939
Sale of certain assets of TheStreet Ratings	0	1,348,902
Proceeds from the sale of fixed assets	0	43,300
Net cash provided by (used in) investing activities	11,238,554	(40,564,048)
Cash Flows from Financing Activities:
Cash dividends paid on common stock	(1,729,303)	(1,671,437)
Cash dividends paid on preferred stock	(192,848)	(192,848)
Purchase of treasury stock	(321,533)	(54,309)
Net cash used in financing activities	(2,243,684)	(1,918,594)
Net increase (decrease) in cash and cash equivalents	11,012,121	(41,612,957)
Cash and cash equivalents, beginning of period	20,089,660	60,542,494
Cash and cash equivalents, end of period	31,101,781	18,929,537
Supplemental disclosures of cash flow information:
Cash payments made for interest	0	1,668
Cash payments made for income taxes	$ 0	$ 0