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Debt - Credit Facility (Details) |  |  |  | 1 Months Ended | 9 Months Ended |  |
--- | --- | --- | --- | --- | --- | --- | ---
Aug. 05, 2019 USD ($) $ / shares shares | Jul. 06, 2018 USD ($) payment $ / shares shares | May 04, 2017 USD ($) payment | Aug. 31, 2019 USD ($) | Sep. 30, 2019 USD ($) | Jul. 31, 2019 USD ($) | Dec. 31, 2018 USD ($)
Debt |  |  |  |  |  |  |
Outstanding balance |  |  |  |  | $ 2,000,000 |  |
2017 Credit Facility |  |  |  |  |  |  |
Debt |  |  |  |  |  |  |
Loan agreement amount |  |  | $ 12,000,000 |  |  |  |
Reimbursement of principal payments |  |  |  |  | $ 1,000,000 |  |
End-of-term fee (as a percent) |  | 7.00% | 6.00% |  |  |  |
Number of shares the warrant can be converted to | shares |  | 9,375 |  |  |  |  |
Warrant exercise price | $ / shares |  | $ 8.91 |  |  |  |  |
Warrant exercise expiration period |  | 5 years |  |  |  |  |
Fair value of warrants |  | $ 43,000 |  |  |  |  |
Increase in rate in the event of default (as a percentage) |  |  |  |  | 5.00% |  |
Repayment of credit facility |  |  |  | $ 800,000 |  |  |
Principal amount |  |  |  |  | $ 8,420,000 | $ 8,000,000 | $ 12,840,000
2017 Credit Facility | Prepayment period - first 12 months |  |  |  |  |  |  |
Debt |  |  |  |  |  |  |
Prepayment fee |  |  |  |  | 240,000 |  |
2017 Credit Facility | Prepayment period - months 13-24 |  |  |  |  |  |  |
Debt |  |  |  |  |  |  |
Prepayment fee |  |  |  |  | $ 120,000 |  |
2017 Credit Facility | Minimum |  |  |  |  |  |  |
Debt |  |  |  |  |  |  |
Number of interest and principal payments | payment |  | 24 | 24 |  |  |  |
2017 Credit Facility | Maximum |  |  |  |  |  |  |
Debt |  |  |  |  |  |  |
Number of interest and principal payments | payment |  | 36 |  |  |  |  |
2017 Credit Facility | Prime Rate |  |  |  |  |  |  |
Debt |  |  |  |  |  |  |
Interest rate, negative basis spread percentage |  | 0.75% | 0.75% |  |  |  |
Effective interest rate |  |  |  |  | 4.75% |  |
SVB Credit Facility |  |  |  |  |  |  |
Debt |  |  |  |  |  |  |
Number of shares the warrant can be converted to that was cancelled | shares |  | 9,229 |  |  |  |  |
Warrant exercise price | $ / shares |  | $ 26.00 |  |  |  |  |
2019 Credit Facility |  |  |  |  |  |  |
Debt |  |  |  |  |  |  |
Number of shares the warrant can be converted to | shares | 9,375 |  |  |  |  |  |
Warrant exercise price | $ / shares | $ 8.91 |  |  |  |  |  |
Amount bank could receive if takes the option to put the warrants upon expiration or a liquidity event | $ 50,000 |  |  |  |  |  |
2019 Credit Facility - Revolving Line Of Credit |  |  |  |  |  |  |
Debt |  |  |  |  |  |  |
Loan agreement amount |  |  |  | $ 5,000,000 |  |  |
Agreement term |  |  |  | 2 years |  |  |
Interest rate, basis spread percentage |  |  |  | 1.50% |  |  |
Effective interest rate |  |  |  |  | 10.57% |  |
Commitment fee (as a percentage) |  |  |  | 1.60% |  |  |
Termination fee (as a percentage) |  |  |  | 1.00% |  |  |
Unused facility fee (as a percentage) |  |  |  | 0.125% |  |  |
Debt amount |  |  |  | $ 2,000,000 |  |  |
Remaining availability |  |  |  | $ 3,000,000 |  |  |
2019 Credit Facility - Revolving Line Of Credit | Prime Rate | Minimum |  |  |  |  |  |  |
Debt |  |  |  |  |  |  |
Interest rate, basis spread percentage |  |  |  | 6.75% |  |  |
Effective interest rate |  |  |  | 6.75% |  |  |
2019 Credit Facility - Term Loan |  |  |  |  |  |  |
Debt |  |  |  |  |  |  |
End-of-term fee (as a percent) |  |  |  | 7.00% |  |  |
Agreement term |  |  |  | 42 months |  |  |
Effective interest rate |  |  |  |  | 8.66% |  |
Prepayment fee (as a percentage) |  |  |  | 2.00% |  |  |
Debt amount |  |  |  | $ 6,000,000 |  |  |
Number of months of interest only payment |  |  |  | 12 months |  |  |
Number of months of equal principal payments plus accrued interest |  |  |  | 30 months |  |  |
2019 Credit Facility - Term Loan | Prime Rate |  |  |  |  |  |  |
Debt |  |  |  |  |  |  |
Interest rate, negative basis spread percentage |  |  |  | 0.75% |  |  |
Effective interest rate |  |  |  | 4.75% |  |  |

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- Definition Class of warrant or right exercisable expiration period. + References No definition available. + Details
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- Definition Percentage points subtracted from the reference rate to compute the variable rate on the debt instrument. + References No definition available. + Details
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- Definition The increase in the interest rate of the debt in the event of default. Percent increase per annum. + References No definition available. + Details
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- Definition Represents the value if the option to put the common stock warrants to the Company upon expiration or a liquidity event; to be prorated if the Bank exercises a portion of the warrant. + References No definition available. + Details
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- Definition Represents the prepayment fee, as a percentage of the total commitment. + References No definition available. + Details
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- Definition Represents the reimbursement of principal payments per the amended agreement. + References No definition available. + Details
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- Definition Number of securities into which each warrant or right may be converted. For example, but not limited to, each warrant may be converted into two shares. + References No definition available. + Details
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- 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. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 470 -SubTopic 20 -Section 50 -Paragraph 4 -Subparagraph (b)(1) -URI http://asc.fasb.org/extlink&oid=109500613&loc=SL6031897-161870 Reference 2: 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=119400593&loc=d3e572229-122910 Reference 3: 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 4: 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 + Details
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- Definition Effective interest rate for the funds borrowed under the debt agreement considering interest compounding and original issue discount or premium. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 470 -SubTopic 20 -Section 50 -Paragraph 6 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=109500613&loc=SL6036836-161870 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 835 -SubTopic 30 -Section 45 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=114775744&loc=d3e28551-108399 Reference 3: 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(a)(1)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
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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. + References No definition available. + Details
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- Definition Period of time between issuance and maturity of debt instrument, in PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. + References No definition available. + Details
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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=119400593&loc=d3e572229-122910 + Details
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- Definition The fee, expressed as a percentage of the line of credit facility, for the line of credit facility regardless of whether the facility has been used. + References No definition available. + Details
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- Definition Amount of cash outflow for cost from early extinguishment and prepayment of debt. Includes, but is not limited to, third-party cost, premium paid, and other fee paid to lender directly for debt extinguishment or debt prepayment. Excludes accrued interest. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 15 -Subparagraph (g) -URI http://asc.fasb.org/extlink&oid=118932676&loc=d3e3291-108585 + Details
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