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Debt (Details) - USD ($)			1 Months Ended	12 Months Ended
	May 18, 2017	Mar. 11, 2016	Sep. 30, 2016	Dec. 31, 2017	Dec. 31, 2016	Sep. 30, 2017	Sep. 26, 2014
Debt Instrument [Line Items]
Notes Payable				$ 200,000	$ 700,000
Interest Expense				377,768	1,779,657
Loan and Security Agreement [Member]
Debt Instrument [Line Items]
Interest Expense				400,000	$ 1,700,000
Long-term Debt [Member]
Debt Instrument [Line Items]
Long-term Debt, Gross							$ 15,000,000
Oxford Finance LLC [Member]
Debt Instrument [Line Items]
Repayments of debt		$ 7,000,000	$ 3,000,000
Long-term Debt				$ 5,700,000
Debt Instrument, Payment To Lender Based On Receipt Of Proceeds From Eligible Events, Percent		20.00%
Oxford Finance LLC [Member] | Loans Payable [Member] | Loan and Security Agreement [Member]
Debt Instrument [Line Items]
Repayments of debt	$ 4,900,000
Debt Instrument, Interest Rate, Effective Percentage						8.50%
Minimum [Member] | Notes Payable [Member]
Debt Instrument [Line Items]
Debt Instrument, Term				1 year

X

- Definition

Debt Instrument, Payment To Lender Based On Receipt Of Proceeds From Eligible Events, Percent

+ References

No definition available.

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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/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
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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.

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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

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

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

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Amount, after unamortized (discount) premium and debt issuance costs, of long-term debt. Includes, but not limited to, notes payable, bonds payable, debentures, mortgage loans and commercial paper. Excludes capital lease obligations.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
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Including the current and noncurrent portions, aggregate carrying amount of all types of notes payable, as of the balance sheet date, with initial maturities beyond one year or beyond the normal operating cycle, if longer.

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The cash outflow during the period from the repayment of aggregate short-term and long-term debt. Excludes payment of capital lease obligations.

+ References

No definition available.

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