Quarterly report pursuant to Section 13 or 15(d)

Cover
- Document and Entity Information
Financial Statements
Notes to Financial Statements
Accounting Policies
- Significant Accounting Policies (Policies)
Notes Tables
Notes Details

Term Loan - Additional Information (Details)

v3.7.0.1

Term Loan - Additional Information (Details) - USD ($)		1 Months Ended	3 Months Ended		17 Months Ended
Term Loan - Additional Information (Details) - USD ($)	Dec. 17, 2015	Aug. 31, 2014	Mar. 31, 2017	Mar. 31, 2016	Dec. 16, 2015	Dec. 31, 2016	Oct. 20, 2015
Term Loan
Term loan			$ 1,499,331			$ 2,374,031
Common stock warrants
Term Loan
Number of shares available under warrant			40,000
Secured term loan
Term Loan
Face amount		$ 7,500,000.0
Current interest rate			8.45%
Monthly payments of principal and interest			$ 305,000
Monthly payments of principal and interest, term			27 months
Interest expense including amortization of discount and accrual of termination fee			$ 61,000	$ 159,000
Secured term loan \| Series B convertible preferred stock warrants
Term Loan
Number of shares available under warrant		625,208
Exercise price per share (usd per share)		$ 0.2999
Exercisable term following an IPO		5 years
Secured term loan \| Common stock warrants
Term Loan
Number of shares available under warrant							22,328
Exercise price per share (usd per share)							$ 8.40
Secured term loan \| Prime rate
Term Loan
Increase in interest rate	0.25%
Secured term loan \| Term loan
Term Loan
Effective interest rate					7.95%
Secured term loan \| Term loan \| Prime rate
Term Loan
Margin on interest rate		3.25%
Minimum \| Secured term loan \| Term loan
Term Loan
Interest rate		7.95%
Maximum \| Secured term loan \| Term loan
Term Loan
Interest rate		7.95%

- Definition

Period of time following an IPO after which warrant is exercisable, in PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

+ References

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Period of time during which the debt instrument requires periodic payments of principal plus interest, in PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

+ References

No definition available.

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- Definition

Exercise price per share or per unit of warrants or rights outstanding.

+ References

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-Name Accounting Standards Codification
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-SubTopic 10
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- Definition

Number of securities into which the class of warrant or right may be converted. For example, but not limited to, 500,000 warrants may be converted into 1,000,000 shares.

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- Definition

Percentage points added to the reference rate to compute the variable rate on the debt instrument.

+ References

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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.

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- Definition

Face (par) amount of debt instrument at time of issuance.

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- Definition

The average effective interest rate during the reporting period.

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Effective interest rate for the funds borrowed under the debt agreement considering interest compounding and original issue discount or premium.

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Incremental percentage increase (decrease) in the stated rate on a debt instrument.

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Contractual interest rate for funds borrowed, under the debt agreement.

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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.

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- Definition

Amount of the required periodic payments including both interest and principal payments.

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Amount of the cost of borrowed funds accounted for as interest expense for debt.

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