Summary of Significant Accounting Policies (Details) - USD ($) $ in Thousands |
3 Months Ended | 12 Months Ended | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Dec. 31, 2016 |
Sep. 30, 2016 |
Jun. 30, 2016 |
Mar. 31, 2016 |
Dec. 31, 2015 |
Sep. 30, 2015 |
Jun. 30, 2015 |
Mar. 31, 2015 |
Dec. 31, 2016 |
Dec. 31, 2015 |
Dec. 31, 2014 |
Mar. 31, 2014 |
Dec. 31, 2013 |
Jan. 31, 2013 |
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| Policies | ||||||||||||||
| Net (loss) income | $ (37,907) | $ (26,017) | $ (23,156) | $ (8,685) | $ (22,960) | $ (17,630) | $ (19,681) | $ (10,004) | $ (95,765) | $ (70,275) | $ (5,152) | |||
| Accumulated deficit | 345,848 | 250,083 | 345,848 | 250,083 | ||||||||||
| Cash and cash equivalents | 15,256 | 28,947 | 15,256 | 28,947 | $ 87,176 | $ 30,496 | ||||||||
| Short-term investments | 130,860 | 201,586 | 130,860 | 201,586 | ||||||||||
| Outstanding debt with accrued interest | 49,624 | 42,090 | 49,624 | 42,090 | ||||||||||
| Restricted cash | ||||||||||||||
| Restricted cash, current portion | 1,092 | 901 | 1,092 | 901 | ||||||||||
| Restricted cash, long term portion | $ 342 | $ 683 | $ 342 | $ 683 | ||||||||||
| "First Space" Sublease | ||||||||||||||
| Restricted cash | ||||||||||||||
| Restricted cash | $ 800 | |||||||||||||
| "Second Space" Sublease | ||||||||||||||
| Restricted cash | ||||||||||||||
| Restricted cash | $ 300 | |||||||||||||
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- Definition Amount of investment in debt and equity securities categorized neither as trading securities nor held-to-maturity securities and intended be sold or mature one year or operating cycle, if longer. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition Amount of currency on hand as well as demand deposits with banks or financial institutions. Includes other kinds of accounts that have the general characteristics of demand deposits. Also includes short-term, highly liquid investments that are both readily convertible to known amounts of cash and so near their maturity that they present insignificant risk of changes in value because of changes in interest rates. Excludes cash and cash equivalents within disposal group and discontinued operation. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- References No definition available.
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- Definition The portion of profit or loss for the period, net of income taxes, which is attributable to the parent. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition The carrying amounts of cash and cash equivalent items which are restricted as to withdrawal or usage. Restrictions may include legally restricted deposits held as compensating balances against borrowing arrangements, contracts entered into with others, or entity statements of intention with regard to particular deposits; however, time deposits and short-term certificates of deposit are not generally included in legally restricted deposits. Excludes compensating balance arrangements that are not agreements which legally restrict the use of cash amounts shown on the balance sheet. This element is for unclassified presentations; for classified presentations there is a separate and distinct element. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition The carrying amounts of cash and cash equivalent items which are restricted as to withdrawal or usage. Restrictions may include legally restricted deposits held as compensating balances against short-term borrowing arrangements, contracts entered into with others, or entity statements of intention with regard to particular deposits; however, time deposits and short-term certificates of deposit are not generally included in legally restricted deposits. Excludes compensating balance arrangements that are not agreements which legally restrict the use of cash amounts shown on the balance sheet. For a classified balance sheet represents the current portion only (the noncurrent portion has a separate concept); there is a separate and distinct element for unclassified presentations. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. No definition available.
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- Definition Cash and equivalents whose use in whole or in part is restricted for the long-term, generally by contractual agreements or regulatory requirements. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition The cumulative amount of the reporting entity's undistributed earnings or deficit. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition Reflects the total carrying amount as of the balance sheet date of debt having initial terms less than one year or the normal operating cycle, if longer. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Details
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- Details
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