Amount of long-term debt before deduction of unamortized discount or premium. Includes, but is not limited to, notes payable, bonds payable, commercial loans, mortgage loans, convertible debt, subordinated debt and other types of debt, with initial maturities beyond one year or the normal operating cycle, if longer.

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)
-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher SEC
-Name Regulation S-X (SX)
-Number 210
-Section 02
-Paragraph 20
-Article 5

Reference 3: http://www.xbrl.org/2003/role/presentationRef
-Publisher SEC
-Name Regulation S-X (SX)
-Number 210
-Section 03
-Paragraph 16
-Article 9

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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.

+ 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=6451184&loc=d3e28551-108399

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- Definition

Weighted average interest rate of debt outstanding.

+ References

No definition available.

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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.

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- Definition

Maximum borrowing capacity under the credit facility without consideration of any current restrictions on the amount that could be borrowed or the amounts currently outstanding under the facility.

+ References

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- Definition

Carrying value as of the balance sheet date of notes payable (with maturities initially due after one year or beyond the operating cycle if longer), excluding current portion.

+ References

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- Definition

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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Financing Instruments - Note Purchase Agreements - Enhanced Note (Details) - USD ($)	Sep. 07, 2016	Apr. 30, 2016	Apr. 21, 2016	Dec. 31, 2016	Dec. 31, 2015	Dec. 10, 2013
Line of Credit Facility [Line Items]
Outstanding balance on loan				$ 9,000,000	$ 14,424,000
Repayments of debt		$ 2,000,000
Secured Debt [Member]
Line of Credit Facility [Line Items]
Outstanding balance on loan				$ 0	$ 7,688,000
Effective interest rate (percent)				11.66%
Secured Debt [Member] \| Note Purchase Agreement [Member]
Line of Credit Facility [Line Items]
Maximum borrowing capacity						$ 7,200,000.0
Repayments of debt	$ 5,800,000		$ 1,900,000
Notes Payable, Noncurrent				$ 7,500,000
Weighted average interest rate				25.60%
Secured Debt [Member] \| Enhanced Jobs for Texas [Member]
Line of Credit Facility [Line Items]
Maximum borrowing capacity						5,700,000.0
Secured Debt [Member] \| Enhanced Texas Fund [Member]
Line of Credit Facility [Line Items]
Maximum borrowing capacity						$ 1,500,000.0