XML 48 R33.htm IDEA: XBRL DOCUMENT
v3.3.1.900

Stock Incentive Plans and Stock Based Compensation (Tables) | 12 Months Ended
--- | ---
Dec. 31, 2015
Stock Option Activity | The following table summarizes all stock option activity for the year ended December 31, 2015 (in thousands, except for per share amounts):
|  | Number of Shares |  |  | Weighted Average Exercise Price |  |  | Weighted Average Remaining Contractual Term |  |  | Aggregate Intrinsic Value |
Outstanding January 1, 2015 |  |  | 10,670 |  |  | $ | 4.95 |  |  |  |  |  |  |  |  |
Granted |  |  | 7,976 |  |  |  | 2.16 |  |  |  |  |  |  |  |  |
Cancelled/Expired |  |  | (810 | ) |  |  | 3.75 |  |  |  |  |  |  |  |  |
Exercised |  |  | (18 | ) |  |  | 1.76 |  |  |  |  |  |  |  |  |
Outstanding, December 31, 2015 |  |  | 17,818 |  |  |  | 3.76 |  |  |  | 8.0 years |  |  | $ | 1,949 |
Exercisable, December 31, 2015 |  |  | 9,406 |  |  |  | 5.02 |  |  |  | 6.9 years |  |  | $ | 833 |
Vested and Expected to Vest, December 31, 2015 |  |  | 2,756 |  |  |  | 4.04 |  |  |  | 8.1 years |  |  | $ | 520 |
Available for future grant as of December 31, 2015 |  |  | 8,960 |  |  |  |  |  |  |  |  |  |  |  |  |
Assumptions Used to Estimate Fair Value of Share-Based Payment Awards | For 2015, 2014 and 2013, the Company used the following assumptions to estimate the fair value of share-based payment awards:
|  | 2015 |  | 2014 |  | 2013
Risk free interest rate |  | 1.37% - 1.68% |  | 1.37% - 1.68% |  | 0.91% - 2.07%
Expected dividend yield |  | 0.00% |  | 0.00% |  | 0.00%
Expected option life (years) |  | 6.25 |  | 6.25 |  | 6.25
Expected volatility |  | 86% - 97% |  | 97% - 109% |  | 91% - 110%
Restricted Stock Unit Activity | The following table presents the restricted stock unit activity for the years ended December 31, 2015 and 2014 (in thousands, except for weighted average amounts):
|  | Shares |  |  | Weighted Average Grant Date Fair Value |
Outstanding—as of January 1, 2014 |  |  | 196 |  |  | $ | 6.96 |
Granted |  |  | 2,255 |  |  |  | 2.03 |
Vested |  |  | — |  |  |  | — |
Forfeited |  |  | (195 | ) |  |  | 3.17 |
Outstanding—as of December 31, 2014 |  |  | 2,256 |  |  |  | 2.03 |
Granted |  |  | 9,888 |  |  |  | 2.12 |
Vested |  |  | (821 | ) |  |  | 2.14 |
Forfeited |  |  | (436 | ) |  |  | 1.45 |
Outstanding—as of December 31, 2015 |  |  | 10,887 |  |  |  | 2.12 |
Stock-Based Compensation Expense Related to Option Awards | The following table presents the stock-based compensation expense related to stock based awards for the years ended December 31, 2015, 2014 and 2013 (in thousands):
|  | 2015 |  |  | 2014 |  |  | 2013 |
Research and development |  | $ | 3,280 |  |  | $ | 2,701 |  |  | $ | 2,837 |
Selling, general and administrative |  |  | 10,609 |  |  |  | 6,321 |  |  |  | 11,848 |
Stock-based compensation expense |  | $ | 13,889 |  |  | $ | 9,022 |  |  | $ | 14,685 |

X
- Definition Tabular disclosure of the allocation of equity-based compensation costs to a given line item on the balance sheet and income statement for the period. This may include the reporting line for the costs and the amount capitalized and expensed. + 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 (h)(1) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5047-113901 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SAB TOPIC 14.F) -URI http://asc.fasb.org/extlink&oid=27013229&loc=d3e301413-122809 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Staff Accounting Bulletin (SAB) -Number Topic 14 -Section F + Details
Name: | us-gaap_ScheduleOfEmployeeServiceShareBasedCompensationAllocationOfRecognizedPeriodCostsTextBlock
Namespace Prefix: | us-gaap_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration

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
- 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 No definition available. + Details
Name: | us-gaap_ScheduleOfSharebasedCompensationRestrictedStockAndRestrictedStockUnitsActivityTableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration