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

No definition available.

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Namespace Prefix:	us-gaap_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

- 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

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 835
-SubTopic 30
-Section 45
-Paragraph 2
-URI http://asc.fasb.org/extlink&oid=64930785&loc=d3e28551-108399

+ Details

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Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- 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/presentationRef
-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

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 835
-SubTopic 30
-Section 45
-Paragraph 2
-URI http://asc.fasb.org/extlink&oid=64930785&loc=d3e28551-108399

+ 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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Balance Type:	na
Period Type:	duration

- Definition

Amount of the required periodic payments applied to principal.

+ References

+ Details

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Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

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
-Publisher FASB
-Name Accounting Standards Codification
-Topic 944
-SubTopic 210
-Section S99
-Paragraph 1
-Subparagraph (SX 210.7-03(a)(16))
-URI http://asc.fasb.org/extlink&oid=6879938&loc=d3e572229-122910

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-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://www.xbrl.org/2003/role/presentationRef
-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

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Details

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Namespace Prefix:
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- Details

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- Details

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- Details

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- Details

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Long-Term Debt and Credit Facility (Term Loan) (Details) - USD ($)	12 Months Ended
	Dec. 31, 2016	Sep. 30, 2016	Dec. 31, 2015
Debt Instrument [Line Items]
Debt outstanding	$ 48,399,000		$ 50,546,000
Term loan
Debt Instrument [Line Items]
Debt outstanding	9,833,000		$ 25,398,000
Restated Revolving Credit, Term Loan and Security Agreement \| Term loan
Debt Instrument [Line Items]
Face amount		$ 10,000,000
Monthly principal payments	200,000
Debt outstanding	9,800,000
Restated Revolving Credit, Term Loan and Security Agreement \| Term loan \| PNC Bank base lending rate
Debt Instrument [Line Items]
Debt outstanding	$ 800,000
Interest rate at period end	6.50%
Restated Revolving Credit, Term Loan and Security Agreement \| Term loan \| LIBOR
Debt Instrument [Line Items]
Debt outstanding	$ 9,000,000
Interest rate at period end	4.37%
Restated Revolving Credit, Term Loan and Security Agreement \| Term loan \| Minimum \| PNC Bank base lending rate
Debt Instrument [Line Items]
Basis spread on variable rate	2.25%
Restated Revolving Credit, Term Loan and Security Agreement \| Term loan \| Minimum \| LIBOR
Debt Instrument [Line Items]
Basis spread on variable rate	3.25%
Restated Revolving Credit, Term Loan and Security Agreement \| Term loan \| Maximum \| PNC Bank base lending rate
Debt Instrument [Line Items]
Basis spread on variable rate	2.75%
Restated Revolving Credit, Term Loan and Security Agreement \| Term loan \| Maximum \| LIBOR
Debt Instrument [Line Items]
Basis spread on variable rate	3.75%