v2.4.0.8
Equity Incentive Plans (Tables)
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12 Months Ended |
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Disclosure Of Compensation Related Costs Sharebased Payments [Abstract] |
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Fair Value of Each Stock Option Granted Weighted-Average Assumptions |
The fair value
of each stock option granted was estimated using the following
weighted-average assumptions:
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Year Ended
December 31,
2013 |
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Year Ended
December 31,
2012 |
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Year Ended
December 31,
2011 |
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Fair value of options
granted
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$ |
1.69 |
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$ |
1.26 |
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$ |
1.33 |
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Expected
volatility
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91 |
% |
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89 |
% |
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78 |
% |
Risk-free interest
rate
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1.3 |
% |
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1.5 |
% |
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2.2 |
% |
Expected lives
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7.0 years |
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7.0 years |
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7.0 years |
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Dividend rate
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— |
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— |
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— |
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Summary of Stock Option Activity |
The following
is a summary of stock option activity: (in thousands, except
exercise price data and contractual life data):
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Weighted- |
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Weighted- |
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Average |
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Number |
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Average |
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Remaining |
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Aggregate |
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of |
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Exercise |
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Contractual |
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Intrinsic |
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Options
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Shares |
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Price |
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Life
(Years) |
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Value |
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Outstanding at
December 31, 2010
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7,856 |
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$ |
7.12 |
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Granted
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260 |
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$ |
2.03 |
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Exercised
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(25 |
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1.73 |
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$ |
14 |
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Forfeited or
cancelled
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(886 |
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9.39 |
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Outstanding at
December 31, 2011
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7,205 |
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$ |
6.68 |
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Granted
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2,592 |
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$ |
1.64 |
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Exercised
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(50 |
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0.46 |
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$ |
45 |
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Forfeited or
cancelled
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(1,540 |
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9.72 |
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Outstanding at
December 31, 2012
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8,207 |
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$ |
4.55 |
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Granted
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2,815 |
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$ |
2.18 |
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Exercised
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(1,683 |
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1.67 |
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$ |
4,965 |
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Forfeited or
cancelled
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(1,622 |
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5.70 |
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Outstanding at
December 31, 2013
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7,717 |
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$ |
4.05 |
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6.08 |
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$ |
22,023 |
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Exercisable at
December 31, 2013
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3,611 |
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$ |
6.38 |
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2.96 |
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$ |
5,346 |
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Expected to Vest at
December 31, 2013
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4,106 |
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$ |
2.01 |
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8.86 |
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$ |
16,744 |
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Summary of Nonvested Restricted Stock and Restricted Stock Units Activity |
The following
is a summary of nonvested restricted stock and restricted stock
units activity: (in thousands, except grant date fair value
data):
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Number
of
Shares |
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Weighted-
Average
Grant
Date Fair
Value |
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Nonvested balance at
December 31, 2010
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1,441 |
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$ |
4.43 |
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Granted
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1,003 |
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1.78 |
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Vested
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(512 |
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5.28 |
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Forfeited or
cancelled
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(22 |
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3.69 |
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Nonvested balance at
December 31, 2011
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1,910 |
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$ |
2.81 |
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Vested
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(840 |
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3.37 |
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Forfeited or
cancelled
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(55 |
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1.97 |
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Nonvested balance at
December 31, 2012
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1,015 |
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$ |
2.43 |
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Vested
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(487 |
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2.16 |
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Forfeited or
cancelled
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(34 |
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1.78 |
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Nonvested balance at
December 31, 2013
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494 |
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$ |
2.73 |
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X |
- Definition
Disclosure of the number and weighted-average grant date fair value for restricted stock and restricted stock units that were outstanding at the beginning and end of the year, and the number of restricted stock and restricted stock units that were granted, vested, or forfeited during the year.
+ References+ Details
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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+ Details
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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+ Details
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