XML 48 R59.htm IDEA: XBRL DOCUMENT

Stockholders' Equity (Details 3) (USD $)	1 Months Ended	12 Months Ended
Stockholders' Equity (Details 3) (USD $)	Feb. 28, 2013	Dec. 31, 2012
Summary of non-vested stock options
Nonvested at January 1, 2012		786,188
Granted	1,078,336	766,714
Vested		(627,528)
Forfeited		(70,734)
Nonvested at December 31, 2012		854,640
Weighted Average Grant Date Fair Value, Nonvested at December 31, 2012		$ 2.91
Nonvested at December 31, 2012, Aggregate Intrinsic Value		$ 1,248,303

The number of non-vested equity-based payment instruments, excluding stock (or unit) options, that validly exist and are outstanding as of the balance sheet date.

+ References+ Details

- Definition

The weighted average fair value of nonvested awards on equity-based plans excluding option plans (for example, phantom stock or unit plan, stock or unit appreciation rights plan, revenue or profit achievement stock award plan) for which the employer is contingently obligated to issue equity instruments or transfer assets to an employee who has not yet satisfied service or performance criteria necessary to gain title to proceeds from the sale of the award or underlying shares or units.

+ References+ Details