STOCKHOLDERS' EQUITY (DEFICIT) - Summary of warrant activity (Details)	9 Months Ended
Sep. 30, 2020 $ / shares shares
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Outstanding beginning balance \| $ / shares	$ 3.83
Forfeited or expired \| $ / shares	2.81
Outstanding ending balance \| $ / shares	$ 4.50
Warrant
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Outstanding beginning balance \| shares	2,754,062
Forfeited or expired \| shares	(174,642)
Outstanding ending balance \| shares	2,579,420

Class Of Warrant Or Right, Forfeitures And Expirations In Period

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- Definition

Class Of Warrant Or Right, Forfeitures And Expirations In Period, Weighted Average Exercise Price

+ References

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- Definition

Exercise price per share or per unit of warrants or rights outstanding.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 235
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.4-08.(i)(4))
-URI http://asc.fasb.org/extlink&oid=26873400&loc=d3e23780-122690

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- Definition

Number of warrants or rights outstanding.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 235
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.4-08.(i))
-URI http://asc.fasb.org/extlink&oid=26873400&loc=d3e23780-122690

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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

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