XML 26 R29.htm IDEA: XBRL DOCUMENT v2.4.1.9

STOCKHOLDERS' EQUITY (Tables)

3 Months Ended

Mar. 31, 2015

Stockholders' Equity Note [Abstract]

Schedule of assumptions used in the Black-Scholes Model of stock options

The assumptions used in the Black-Scholes Model during the three months ended March 31, 2015 and 2014 are set forth in the table below.

		Three Months Ended March 31, 2015				Three Months Ended March 31, 2014
Risk-free interest rate			1.47	%			1.70-1.75	%
Volatility			58.78-62.59	%			69.15-70.76	%
Term (in years)			5.27-6.25				5.5-6.25
Dividend yield			0.00	%			0.00	%

Schedule of option activity

A summary of activity under the 2009 and 2012 Plans and related information follows:

		Number of Shares Underlying Stock Options				Weighted Average Exercise Price				Weighted   Average   Remaining   Contractual Life in Years				Aggregate Intrinsic Value
Balance at December 31, 2014			16,792,443			$	1.88				6.92			$	43,996,311
Granted			919,500			$	5.92
Exercised			(11,250	)		$	0.64
Cancelled			(114,584	)		$	2.82
Balance at March 31, 2015			17,586,109			$	2.09				6.53			$	69,714,593
Vested and Exercisable at March 31, 2015			13,701,873			$	1.50				5.89			$	62,312,047

X

- Definition

Tabular disclosure of the number and weighted-average exercise prices (or conversion ratios) for share options (or share units) that were outstanding at the beginning and end of the year, vested and expected to vest, exercisable or convertible at the end of the year, and the number of share options or share units that were granted, exercised or converted, forfeited, and expired during the year.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 718

-SubTopic 10

-Section 50

-Paragraph 2

-Subparagraph (c)(1)

-URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901

+ Details

Name:	us-gaap_ScheduleOfShareBasedCompensationStockOptionsActivityTableTextBlock
Namespace Prefix:	us-gaap_
Data Type:	nonnum:textBlockItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Tabular disclosure of the significant assumptions used during the year to estimate the fair value of stock options, including, but not limited to: (a) expected term of share options and similar instruments, (b) expected volatility of the entity's shares, (c) expected dividends, (d) risk-free rate(s), and (e) discount for post-vesting restrictions.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 718

-SubTopic 10

-Section 50

-Paragraph 2

-Subparagraph (f)(2)

-URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901

+ Details

Name:	us-gaap_ScheduleOfShareBasedPaymentAwardStockOptionsValuationAssumptionsTableTextBlock
Namespace Prefix:	us-gaap_
Data Type:	nonnum:textBlockItemType
Balance Type:	na
Period Type:	duration

X

- Details

Name:	us-gaap_StockholdersEquityNoteAbstract
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration