XML 53 R23.htm IDEA: XBRL DOCUMENT
v2.4.0.6

Stock-Based Compensation (Tables) | 9 Months Ended
--- | ---
Sep. 30, 2012
Stock-Based Compensation [Abstract] |
Stock-based compensation expense |
|  | Three months ended September 30, |  |  | Nine months ended September 30, |
|  | 2012 |  |  | 2011 |  |  | 2012 |  |  | 2011 |
Research and development expense |  | $ | 314,393 |  |  | $ | 343,845 |  |  | $ | 966,570 |  |  | $ | 1,304,846 |
Selling, general and administrative expense |  |  | 452,760 |  |  |  | 320,539 |  |  |  | 1,260,574 |  |  |  | 1,308,265 |
Total employee stock-based compensation |  | $ | 767,153 |  |  | $ | 664,384 |  |  | $ | 2,227,144 |  |  | $ | 2,613,111 |
Effect on basic and diluted net loss per share |  | $ | (0.03 | ) |  | $ | (0.05 | ) |  | $ | (0.09 | ) |  | $ | (0.19 | )
Stock option activity |
|  | Number of options |  |  | Weighted-average exercise price ($) per share |
Balance at June 30, 2012 |  |  | 854,958 |  |  |  | 20.26 |
Granted |  |  | — |  |  |  | — |
Exercised |  |  | — |  |  |  | — |
Cancelled |  |  | (380,041 | ) |  |  | 21.93 |
Outstanding options at September 30, 2012 |  |  | 474,917 |  |  |  | 18.91 |
Summary of changes in unvested options |
|  | Number of options |  |  | Weighted-average exercise price ($) per share |  |  | Weighted-average grant date fair value ($) per option |
Unvested options at June 30, 2012 |  |  | 103,993 |  |  |  | 11.54 |  |  |  | 9.28 |
Granted |  |  | — |  |  |  | — |  |  |  | — |
Vested |  |  | (14,466 | ) |  |  | 12.04 |  |  |  | 9.71 |
Cancelled |  |  | (11,778 | ) |  |  | 14.29 |  |  |  | 11.83 |
Unvested options at September 30, 2012 |  |  | 77,749 |  |  |  | 11.04 |  |  |  | 8.82 |
Summary of changes in unvested restricted stock units |
|  | Number of RSUs |  |  | Weighted-average grant date fair value ($) per RSU |
Unvested restricted stock units at June 30, 2012 |  |  | 1,467,533 |  |  |  | 2.12 |
Granted(1) |  |  | 52,000 |  |  |  | 2.15 |
Vested |  |  | (3,333 | ) |  |  | 12.59 |
Cancelled |  |  | — |  |  |  | — |
Balance unvested at September 30, 2012 |  |  | 1,516,200 |  |  |  | 2.10 |
(1) | 20,000 of these restricted stock units vest and convert into shares of our common stock after one year from the date of grant. 32,000 of these restricted stock units will vest and convert into shares of our common stock over a four year period from the date of grant; one-fourth of the award will vest on each grant date anniversary following the grant.
Summary of changes in Stock appreciation rights |
|  | Number of SARs |
Outstanding at June 30, 2012 |  |  | 115,187 |
Granted |  |  | — |
Exercised |  |  | — |
Forfeited and expired |  |  | (4,594 | )
Outstanding SARs at September 30, 2012 |  |  | 110,593 |
SARs exercisable at September 30, 2012 |  |  | 110,593 |

X
- Details
Name: | us-gaap_DisclosureOfCompensationRelatedCostsSharebasedPaymentsAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

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 Statement of Financial Accounting Standard (FAS) -Number 123R -Paragraph A240 -Subparagraph g(1) -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Staff Accounting Bulletin (SAB) -Number Topic 14 -Section F Reference 3: 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 4: 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 5: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 123R -Paragraph 64 -Subparagraph b -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. Reference 6: 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=6793087&loc=d3e301413-122809 + 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 changes in outstanding nonvested restricted stock units. + 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)(2) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
Name: | us-gaap_ScheduleOfNonvestedRestrictedStockUnitsActivityTableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tabular disclosure of the changes in outstanding nonvested shares. + 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)(2) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
Name: | us-gaap_ScheduleOfNonvestedShareActivityTableTextBlock
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 stock appreciation rights awards that were outstanding at the beginning and end of the year, and the number of stock appreciation rights awards 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_ScheduleOfShareBasedCompensationStockAppreciationRightsAwardActivityTableTextBlock
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