LONG-TERM DEBT (Details) - Long-term debt (Parentheticals) - Secured Debt [Member] - USD ($)	12 Months Ended
Dec. 31, 2019	Dec. 31, 2018
Seven Year Quarterly Installments 1152600 Through July 31 2025 [Member]
Debt Instrument [Line Items]
Quarterly Installments	$ 1,152,600	$ 1,152,600
Maturity period	7 years	7 years
Seven Year Revolving Credit Facility Of Up To 10000000 Through July 31 2025 [Member]
Debt Instrument [Line Items]
Maturity period	7 years	7 years
Revolving Credit Facility	$ 10,000,000	$ 10,000,000

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.

No definition available.

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

- Definition

Amount of the required periodic payments applied to principal.

+ References

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 210.5-02.22)
-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

+ Details

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Namespace Prefix:	us-gaap_
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Balance Type:	debit
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.

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Data Type:	xbrli:durationItemType
Balance Type:	na
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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

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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Period Type:	instant

- Details

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- Details

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- Details

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