Fair value portion of debt instrument payable, including, but not limited to, notes payable and loans payable.

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 825
-SubTopic 10
-Section 50
-Paragraph 10
-URI http://asc.fasb.org/extlink&oid=109250915&loc=d3e13433-108611

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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 potential amount of future payments (undiscounted) the guarantor could be required to make under the guarantee or each group of similar guarantees before reduction for potential recoveries under recourse or collateralization provisions.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 460
-SubTopic 10
-Section 50
-Paragraph 4
-Subparagraph (b)(1)
-URI http://asc.fasb.org/extlink&oid=115931803&loc=d3e12069-110248

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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.

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Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02.19(b),22(b))
-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

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LONG-TERM DEBT - Narrative (Details) - USD ($)	Jun. 30, 2019	Apr. 01, 2019	Feb. 22, 2019	Dec. 31, 2018	Nov. 20, 2017
Debt Instrument [Line Items]
Principal outstanding	$ 8,800,000
KBS Loan Agreement
Debt Instrument [Line Items]
Line of credit with maximum borrowing availability	$ 4,000,000
KBS Loan Agreement \| Ninth Amendment To Loan And Security Agreement
Debt Instrument [Line Items]
Line of credit with maximum borrowing availability			$ 600,000.0
Payment Guarantee \| Director
Debt Instrument [Line Items]
Guarantor obligation		$ 600,000			$ 500,000
Gerber Finance Inc \| EBGL Acquisition
Debt Instrument [Line Items]
Principal outstanding				$ 3,000,000