v2.4.0.6

Quarterly Financial Information (Details) (USD $) In Thousands, except Per Share data, unless otherwise specified	3 Months Ended								12 Months Ended
	Dec. 31, 2011	Sep. 30, 2011	Jun. 30, 2011	Mar. 31, 2011	Dec. 31, 2010	Sep. 30, 2010	Jun. 30, 2010	Mar. 31, 2010	Dec. 31, 2011	Dec. 31, 2010	Dec. 31, 2009
Quarterly Financial Information [Abstract]
Revenues	$ 22,421	$ 18,254	$ 21,417	$ 14,174	$ 15,636	$ 11,664	$ 11,786	$ 9,545	$ 76,266	$ 48,631	$ 29,693
Gross profit	10,693	8,164	11,871	5,116	6,989	3,476	4,519	3,459	35,844	18,443	3,661
Total operating costs	22,969	21,472	19,260	16,986	16,875	16,538	15,787	14,533	80,687	63,733	49,494
Net loss attributable to common stockholders	$ (12,251)	$ (13,278)	$ (7,367)	$ (11,850)	$ (9,812)	$ (13,398)	$ (11,687)	$ (20,273)	$ (44,746)	$ (55,170)	$ (53,524)
Basic and diluted net loss per share attributable to common stockholders	$ (0.18)	$ (0.20)	$ (0.11)	$ (0.19)	$ (0.16)	$ (0.23)	$ (0.20)	$ (0.40)	$ (0.68)	$ (0.97)	$ (1.21)

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- Definition

The amount of net income or loss for the period per each share in instances when basic and diluted earnings per share are the same amount and reported as a single line item on the face of the financial statements. Basic earnings per share is the amount of net income or loss for the period per each share of common stock or unit outstanding during the reporting period. Diluted earnings per share includes the amount of net income or loss for the period available to each share of common stock or common unit outstanding during the reporting period and to each share or unit that would have been outstanding assuming the issuance of common shares or units for all dilutive potential common shares or units outstanding during the reporting period.

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Aggregate revenue less cost of goods and services sold or operating expenses directly attributable to the revenue generation activity.

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The portion of profit or loss for the period, net of income taxes, which is attributable to the parent.

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Generally recurring costs associated with normal operations except for the portion of these expenses which can be clearly related to production and included in cost of sales or services. Includes selling, general and administrative expense.

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Aggregate revenue recognized during the period (derived from goods sold, services rendered, insurance premiums, or other activities that constitute an entity's earning process). For financial services companies, also includes investment and interest income, and sales and trading gains.

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