XML 74 R34.htm IDEA: XBRL DOCUMENT

Summary of Significant Accounting Policies - Reconciliation of Numerators and Denominators used in Computing Basic and Diluted Net Income Per Share (Detail) (USD $)	3 Months Ended
	Mar. 31, 2015	Mar. 31, 2014
Accounting Policies [Abstract]
Net income (loss)	$ (9,714,471)us-gaap_NetIncomeLoss	$ (9,798,757)us-gaap_NetIncomeLoss
Numerator, basic and diluted net income (loss) available to stockholders	$ (9,714,471)	$ (9,798,757)
Shares used in computation - basic:
Weighted average common shares outstanding	86,515,835	83,937,883
Common shares outstanding for basic	86,515,835	83,937,883
Shares used in computation - diluted:
Common shares outstanding for basic	86,515,835	83,937,883
Shares used in computing diluted net income per share	86,515,835	83,937,883
Net (loss) per share - basic	$ (0.11)us-gaap_EarningsPerShareBasic	$ (0.12)us-gaap_EarningsPerShareBasic
Net (loss) per share - diluted	$ (0.11)us-gaap_EarningsPerShareDiluted	$ (0.12)us-gaap_EarningsPerShareDiluted

The amount of net income (loss) for the period per each share of common stock or unit outstanding during the reporting period.

+ References+ Details

- Definition

The amount of net income (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.

+ References+ Details

- Definition

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

+ References+ Details