Debt instrument reduction in unused rate.

No definition available.

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- Definition

Line of credit facility maturity month and year.

+ References

No definition available.

+ Details

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- Definition

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

+ References

No definition available.

+ Details

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- Definition

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

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 835
-SubTopic 30
-Section 55
-Paragraph 8
-URI http://asc.fasb.org/extlink&oid=64930739&loc=d3e28878-108400

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Period Type:	instant

- Definition

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

+ References

No definition available.

+ 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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Period Type:	duration

- 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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Balance Type:	na
Period Type:	duration

- Definition

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

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 225
-SubTopic 10
-Section S99
-Paragraph 2
-Subparagraph (SX 210.5-03.8)
-URI http://asc.fasb.org/extlink&oid=63488584&loc=d3e20235-122688

+ Details

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- Definition

Carrying value as of the balance sheet date of [accrued] interest payable on all forms of debt, including trade payables, that has been incurred and is unpaid. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer).

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
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-Paragraph 1
-Subparagraph (SX 210.5-02.20)
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+ Details

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- Definition

Amount of increase (decrease) of the credit facility.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 235
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.4-08.(f))
-URI http://asc.fasb.org/extlink&oid=26873400&loc=d3e23780-122690

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Balance Type:	credit
Period Type:	duration

- Definition

Amount of borrowing capacity currently available under the credit facility (current borrowing capacity less the amount of borrowings outstanding).

+ References

+ Details

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Balance Type:	credit
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- Definition

Amount of cash inflow from contractual arrangement with the lender, including but not limited to, letter of credit, standby letter of credit and revolving credit arrangements.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
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-Paragraph 14
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- Definition

Reflects the total carrying amount as of the balance sheet date of debt having initial terms less than one year or the normal operating cycle, if longer.

+ 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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- Details

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- Details

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Debt - Additional Information (Details) - USD ($)		3 Months Ended
Debt - Additional Information (Details) - USD ($)	Nov. 13, 2014	Mar. 31, 2018	Sep. 30, 2017	Mar. 31, 2017	Dec. 31, 2017	Dec. 23, 2014
Debt Instrument [Line Items]
Debt outstanding		$ 6,000,000			$ 0
Borrowings under credit facilities		6,000,000
Interest expense and fees		100,000		$ 200,000
Capex Commitments
Debt Instrument [Line Items]
Debt instrument, face amount	$ 12,000,000					$ 30,000,000
Maximum
Debt Instrument [Line Items]
Accrued interest		100,000
New Revolving Facility
Debt Instrument [Line Items]
Debt instrument, face amount			$ 30,000,000
Increase in credit facility			$ 10,000,000
Line of credit facility, maturity month and year			2020-09
Debt outstanding		5,500,000
Availability under credit facility		$ 24,500,000
New Revolving Facility \| Minimum
Debt Instrument [Line Items]
Debt instrument reduction in unused rate		0.25%
Debt instrument reduction in total rate		2.00%
New Revolving Facility \| Minimum \| Base Rate
Debt Instrument [Line Items]
Line of credit facility, applicable margin			0.75%
New Revolving Facility \| Minimum \| LIBOR
Debt Instrument [Line Items]
Line of credit facility, applicable margin			1.75%
New Revolving Facility \| Maximum
Debt Instrument [Line Items]
Debt instrument reduction in unused rate		0.75%
Debt instrument reduction in total rate		2.50%
New Revolving Facility \| Maximum \| Base Rate
Debt Instrument [Line Items]
Line of credit facility, applicable margin			1.25%
New Revolving Facility \| Maximum \| LIBOR
Debt Instrument [Line Items]
Line of credit facility, applicable margin			2.25%
Revolving Facility
Debt Instrument [Line Items]
Debt instrument, face amount	$ 10,000,000
Credit facility term	3 years