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v3.19.1

Debt - Additional Information (Details) |  | 1 Months Ended | 3 Months Ended |
--- | --- | --- | --- | ---
Oct. 23, 2018 USD ($) | Oct. 31, 2018 USD ($) | May 31, 2018 USD ($) | Dec. 31, 2015 USD ($) Tranche | Jun. 30, 2015 | Nov. 30, 2012 USD ($) shares | Mar. 31, 2019 USD ($) | Aug. 31, 2016 USD ($)
Pharmakon Loan Agreement |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |
Maximum borrowing capacity |  |  |  | $ 55,000,000 |  |  |  |
Number of tranches for loans | Tranche |  |  |  | 2 |  |  |  |
Loss in connection with early extinguishment of debt | $ 3,000,000 |  |  |  |  |  |  |
Prepayment premium fee | 1,000,000 |  |  |  |  |  |  |
Additional consideration for prepayment of debt | 1,500,000 |  |  |  |  |  |  |
Repayment of debt |  | $ 35,800,000 |  |  |  |  |  |
Pharmakon Loan Agreement | Silicon Valley Bank |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |
Repayment of debt |  |  |  | $ 4,900,000 |  |  |  |
Pharmakon Loan Agreement | Tranche A Loans |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |
Maximum borrowing capacity |  |  |  | $ 30,000,000 |  |  |  |
Debt instrument, fixed interest rate |  |  |  | 9.50% |  |  |  |
Debt instrument, periodic payment |  |  |  |  |  |  | quarterly |
Debt instrument, interest due and payable |  |  |  | 50.00% |  |  |  |
Repayment of debt | 30,000,000 |  |  |  |  |  |  |
Payment of accrued interest on debt | $ 3,300,000 |  |  |  |  |  |  |
Pharmakon Loan Agreement | Tranche B Loans |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |
Maximum borrowing capacity |  |  |  | $ 25,000,000 |  |  |  |
SVB Loan Agreement |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |
Maximum borrowing capacity |  |  |  | $ 15,000,000 |  |  |  |
Credit facility expiration date |  |  |  | Dec. 04, 2018 |  |  |  |
Borrowing capacity description |  |  |  |  |  |  | The Company may borrow up to 80% of its eligible accounts receivable, up to the maximum of $15.0 million |
SVB Loan Agreement | Maximum |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |
Percentage of eligible accounts receivable for borrowings |  |  |  | 80.00% |  |  |  |
SVB Loan Agreement | Prime Rate |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |
Debt instrument interest rate spread |  |  |  | 0.25% |  |  |  |
SVB Loan Agreement | Standby Letters of Credit |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |
Line of credit |  |  |  |  |  |  |  | $ 3,100,000
Third Amended and Restated SVB Loan Agreement | Standby Letters of Credit |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |
Maximum borrowing capacity |  | 11,000,000 |  |  |  |  |  |
Proceeds from line of credit |  | 6,900,000 |  |  |  |  |  |
Third Amended and Restated SVB Loan Agreement | SVB Term Loan |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |
Maximum borrowing capacity |  | $ 35,000,000 |  |  |  |  |  |
Last interest only payment date |  | Oct. 31, 2020 |  |  |  |  |  |
Number of monthly payments of principal and interest |  | 36 months |  |  |  |  |  |
Debt instrument, interest rate terms |  |  |  |  |  |  | Interest charged on the SVB Term Loan will be the greater of (a) a floating rate based on the “Prime Rate” published by The Wall Street Journal minus 0.75%, or (b) 4.25%. |
Third Amended and Restated SVB Loan Agreement | SVB Term Loan | Minimum |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |
Debt instrument, interest rate |  | 4.25% |  |  |  |  |  |
Third Amended and Restated SVB Loan Agreement | SVB Term Loan | Prime Rate |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |
Basis spread deduction on variable rate |  | 0.75% |  |  |  |  |  |
Third Amended and Restated SVB Loan Agreement | Revolving Credit Facility |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |
Maximum borrowing capacity |  | $ 25,000,000 |  |  |  |  |  |
Line of credit |  |  |  |  |  |  | $ 0 |
Debt instrument, interest rate terms |  |  |  |  |  |  | Any principal amount outstanding under the Third Amended and Restated SVB Loan Agreement revolving credit line shall bear interest at an amount that is the greater of (a) a floating rate per annum equal to the rate published by The Wall Street Journal as the “Prime Rate” or (b) 5.00%. |
Third Amended and Restated SVB Loan Agreement | Revolving Credit Facility | Maximum |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |
Percentage of eligible accounts receivable for borrowings |  | 75.00% |  |  |  |  |  |
Third Amended and Restated SVB Loan Agreement | Revolving Credit Facility | Minimum |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |
Debt instrument, interest rate |  | 5.00% |  |  |  |  |  |
CHCF Note |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |
Repayment of debt |  |  | $ 1,500,000 |  |  |  |  |
Payment of accrued interest on debt |  |  | $ 200,000 |  |  |  |  |
Proceeds from long-term debt, net of issuance costs |  |  |  |  |  | $ 1,500,000 |  |
Debt instrument accrues simple interest rate |  |  |  |  |  | 2.00% |  |
Debt instrument maturity date |  |  |  |  | May 31, 2018 | Nov. 30, 2016 |  |
CHCF Note | Series D Convertible Preferred Stock |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |
Warrants issued to purchase shares | shares |  |  |  |  |  | 22,807 |  |

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- Definition The carrying value as of the balance sheet date of the current and noncurrent portions of long-term obligations drawn from a line of credit, which is a bank's commitment to make loans up to a specific amount. Examples of items that might be included in the application of this element may consist of letters of credit, standby letters of credit, and revolving credit arrangements, under which borrowings can be made up to a maximum amount as of any point in time conditional on satisfaction of specified terms before, as of and after the date of drawdowns on the line. Includes short-term obligations that would normally be classified as current liabilities but for which (a) postbalance sheet date issuance of a long term obligation to refinance the short term obligation on a long term basis, or (b) the enterprise has entered into a financing agreement that clearly permits the enterprise to refinance the short-term obligation on a long term basis and the following conditions are met (1) the agreement does not expire within 1 year and is not cancelable by the lender except for violation of an objectively determinable provision, (2) no violation exists at the BS date, and (3) the lender has entered into the financing agreement is expected to be financially capable of honoring the agreement. + 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(22)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-03(16)) -URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.7-03(16)) -URI http://asc.fasb.org/extlink&oid=6879938&loc=d3e572229-122910 + Details
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