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v3.20.2

Notes Payable (Details) - Notes Payable to Banks | Dec. 24, 2014 USD ($) installment | Jan. 31, 2016 USD ($)
--- | --- | ---
Debt Instrument [Line Items] |  |
Aggregate borrowing capacity | $ 5,000,000.0 |
Loan and Security Agreement (LSA) |  |
Debt Instrument [Line Items] |  |
Debt instrument, maximum borrowing capacity | $ 15,000,000.0 |
Number of loan installments (in installments) | installment | 3 |
Final payment fee |  | $ 800,000
Term A Loans |  |
Debt Instrument [Line Items] |  |
Aggregate draw on term loan | $ 5,000,000.0 |
Fixed interest rate (as a percent) | 6.97% |
Term B and Term C Loans |  |
Debt Instrument [Line Items] |  |
Aggregate borrowing capacity |  | $ 10,000,000.0

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