CONSOLIDATED BALANCE SHEETS (Parenthetical) (USD $) In Thousands, except Share data, unless otherwise specified	Dec. 31, 2011	Dec. 31, 2010
Current assets:
Cash and cash equivalents, including restricted cash	$ 707	$ 1,647
Accounts receivable, net of allowance for doubtful accounts and sales returns	4,080	1,322
Property and equipment:
Purchased and developed software, net of accumulated amortization	9,283	9,811
Other intangible assets, net of accumulated amortization	14,907	8,419
Shareholders' equity:
Common stock, par value (in dollars per share)	$ 0.01	$ 0.01
Common stock, shares authorized (in shares)	150,000,000	150,000,000
Common stock, shares issued (in shares)	90,939,053	83,258,123
Common stock, shares outstanding (in shares)	90,939,053	83,258,123
Common stock subscribed, shares (in shares)	195,116	991,053
Series A Non-voting Preferred Stock [Member]
Shareholders' equity:
Preferred Stock, par value (in dollars per share)	$ 0.01	$ 0.01
Preferred Stock, shares authorized (in shares)	50,000	50,000
Preferred Stock, shares issued (in shares)	0	41,750
Preferred Stock, outstanding (in shares)	0	41,750
Preferred Stock, liquidation preference	$ 0	$ 54,275
Series B Preferred Stock [Member]
Shareholders' equity:
Preferred Stock, par value (in dollars per share)	$ 0.01	$ 0.01
Preferred Stock, shares authorized (in shares)	1,000,000	1,000,000
Preferred Stock, shares issued (in shares)	0	0
Preferred Stock, outstanding (in shares)	0	0