Condensed Consolidated Balance Sheets (USD $) In Thousands	Jun. 30, 2011	Dec. 31, 2010
ASSETS
Cash and cash equivalents	$ 3,793	$ 3,057
Accounts receivable, net of allowance of $53 and $33 at June 30, 2011 and December 31, 2010, respectively	1,699	1,999
Prepaid expenses and other current assets	977	750
Investments	114	114
Total current assets	6,583	5,920
Property and equipment, net	675	606
Restricted cash	190	144
Other	147	43
Goodwill	3,526	3,526
Intangible assets, net	3,284	3,479
Long-term investments	6,495	8,097
Total assets	20,900	21,815
LIABILITIES AND STOCKHOLDERS' EQUITY
Accounts payable	1,536	1,155
Accrued payroll and other compensation	887	746
Other accrued expenses	727	667
Deferred revenue	2,559	2,413
Total current liabilities	5,709	4,981
Long-term deferred revenue	348	105
Long-term deferred rent	519	530
Total liabilities	6,576	5,616
Commitments and contingencies (Note 7)
Stockholders' equity:
Preferred stock, $0.01 par value: 6,000 shares authorized; no shares issued or outstanding
Additional paid-in capital	35,964	35,612
Accumulated deficit	(21,995)	(19,710)
Accumulated other comprehensive income	251	194
Total stockholders' equity	14,324	16,199
Total liabilities and stockholders' equity	20,900	21,815
Common Class A [Member]
Stockholders' equity:
Common stock	104	103
Common Class B [Member]
Stockholders' equity:
Common stock