Deerfield Obligation - Narrative (Details) - USD ($) |
3 Months Ended | 9 Months Ended | 28 Months Ended | |||||
|---|---|---|---|---|---|---|---|---|
Sep. 30, 2019 |
Sep. 30, 2018 |
Sep. 30, 2019 |
Sep. 30, 2018 |
Oct. 31, 2020 |
Jan. 31, 2021 |
Nov. 01, 2019 |
Dec. 31, 2018 |
|
| Debt Instrument [Line Items] | ||||||||
| Interest expense, net | $ (205,938) | $ (234,854) | $ (613,624) | $ (577,664) | ||||
| Long-term debt, current portion | 1,050,000 | 1,050,000 | $ 1,050,000 | |||||
| Deerfield Obligation | ||||||||
| Debt Instrument [Line Items] | ||||||||
| Interest expense, net | 200,000 | 700,000 | ||||||
| Deerfield Obligation | 15,300,000 | 15,300,000 | ||||||
| Long-term debt, current portion | $ 1,100,000 | $ 1,100,000 | ||||||
| Forecast | Deerfield Obligation | ||||||||
| Debt Instrument [Line Items] | ||||||||
| Periodic payment | $ 262,500 | |||||||
| Balloon payment to be paid | $ 15,250,000 | |||||||
| Subsequent Event | Deerfield CSF | Payment Guarantee | ||||||||
| Debt Instrument [Line Items] | ||||||||
| Guarantor obligation | $ 25,700,000 | |||||||
| X | ||||||||||
- Definition Amount, before unamortized (discount) premium and debt issuance costs, of long-term debt. Includes, but is not limited to, notes payable, bonds payable, commercial loans, mortgage loans, convertible debt, subordinated debt and other types of debt. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
|
| X | ||||||||||
- 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.
|
| X | ||||||||||
- Definition Amount of the required periodic payments including both interest and principal payments. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
|
| X | ||||||||||
- Definition Amount of payment greater than the preceding installment payments to be paid at final maturity date of debt. No definition available.
|
| X | ||||||||||
- Definition Maximum potential amount of future payments (undiscounted) the guarantor could be required to make under the guarantee or each group of similar guarantees before reduction for potential recoveries under recourse or collateralization provisions. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
|
| X | ||||||||||
- Definition The net amount of nonoperating interest income (expense). No definition available.
|
| X | ||||||||||
- Definition Amount, after unamortized (discount) premium and debt issuance costs, of long-term debt, classified as current. Includes, but not limited to, notes payable, bonds payable, debentures, mortgage loans and commercial paper. Excludes capital lease obligations. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
|
| X | ||||||||||
- Details
|
| X | ||||||||||
- Details
|
| X | ||||||||||
- Details
|
| X | ||||||||||
- Details
|
| X | ||||||||||
- Details
|