COMMITMENTS AND CONTINGENCIES (Details) - USD ($)	3 Months Ended
Mar. 31, 2019	Mar. 31, 2018	Dec. 31, 2018
Operating Leases
Restricted cash	$ 211,000	$ 0	$ 211,000
Loss contingency accrual	0	0
Loss in period	$ 0	$ 0
Corporate Headquarters
Operating Leases
Restricted cash			211,000
Letter of Credit \| Corporate Headquarters
Operating Leases
Letter of credit annual step down of no default payment			$ 50,000

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- Definition

Amount of loss contingency liability.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 450
-SubTopic 20
-Section 50
-Paragraph 1
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+ References

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- Definition

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+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 942
-SubTopic 210
-Section S99
-Paragraph 1
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-Name Accounting Standards Codification
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-Section S99
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-Name Accounting Standards Codification
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-Section 50
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