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Debt Obligations (Details) $ / shares in Units, $ in Thousands | 1 Months Ended |  |  |  |  |  |  |
--- | --- | --- | --- | --- | --- | --- | --- | ---
Nov. 30, 2014 USD ($) | Oct. 01, 2020 USD ($) shares | Sep. 30, 2020 USD ($) shares | Sep. 28, 2020 USD ($) shares | Sep. 30, 2019 shares | Aug. 30, 2018 USD ($) | Dec. 18, 2017 USD ($) | Nov. 20, 2014 $ / shares
Debt Instrument [Line Items] |  |  |  |  |  |  |  |
Debt Issuance Costs, Gross |  |  |  |  |  |  | $ 4,100 |
Proceeds from Convertible Debt | $ 87,500 |  |  |  |  |  |  |
Conv Debt Instrument Interest Rate Stated Percentage |  |  |  |  |  |  |  | 5.25%
Debt Instrument, Convertible, Conversion Ratio | 118.4553 |  |  |  |  |  |  |
Debt Instrument, Convertible, Conversion Price | $ / shares |  |  |  |  |  |  |  | $ 8.442
Debt Issuance Cost | $ 3,400 |  |  |  |  |  |  |
Unamortized Debt Issuance Expense |  |  | $ 130 |  |  |  |  |
Debt Instrument, Fair Value Disclosure |  |  | 15,400 |  |  |  |  |
Mortgage Debt Instrument_Revere_LXRX |  |  | $ 11,000 |  |  | $ 12,900 |  |
Mortgage Debt Interest Rate_Base_Revere_LXRX |  |  |  |  |  | 5.50% |  |
Mortgage Debt Interest Rate BasePlus_Revere_LXRX |  |  |  |  |  | 7.50% |  |
Mortgage Debt Balloon Payment_LXRX |  |  |  |  |  | $ 10,300 |  |
Debt Instrument, Interest Rate, Stated Percentage |  |  | 9.00% |  |  |  |  |
Debt Instrument, Face Amount |  |  |  |  |  |  | $ 150,000 |
Common stock, shares issued | shares |  |  | 117,231,000 |  | 106,679,000 |  |  |
Convertible debt exchange |  |  | $ 8,400 |  |  |  |  |
accrued interest on convertible |  |  |  | $ 1,100 |  |  |  |
Convertible debt exchange Remaining Notes |  |  | $ 20,000 |  |  |  |  |
Convertible debt exchange - Total Principal Amount |  |  |  | 75,800 |  |  |  |
Convertible debt exchange - September principal amount |  |  |  | (67,100) |  |  |  |
Convertible debt exchange- September cash portion |  |  |  | $ 44,000 |  |  |  |
Convertible debt exchange - September share payment | shares |  |  |  | 9,332,471 |  |  |  |
Subsequent Event [Member] |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |
accrued interest on convertible |  | $ 200 |  |  |  |  |  |
Future Convertible debt exchange shares | shares |  | 1,036,484 |  |  |  |  |  |
future convertible debt exchange |  | $ 6,000 |  |  |  |  |  |
principal amount of convertible notes |  | $ (8,800) |  |  |  |  |  |

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- Definition Total number of common shares of an entity that have been sold or granted to shareholders (includes common shares that were issued, repurchased and remain in the treasury). These shares represent capital invested by the firm's shareholders and owners, and may be all or only a portion of the number of shares authorized. Shares issued include shares outstanding and shares held in the treasury. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(29)) -URI http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682 + Details
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- Definition Amount, before accumulated amortization, of debt issuance costs. Includes, but is not limited to, legal, accounting, underwriting, printing, and registration costs. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 835 -SubTopic 30 -Section 45 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=119993939&loc=d3e28555-108399 + Details
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