SHARE-BASED COMPENSATION, STOCK OPTIONS, AND RESTRICTED SECURITIES, ASSUMPTIONS USED IN DETERMINING THE FAIR VALUE (Details) - Stock Options	12 Months Ended
Dec. 31, 2019	Dec. 31, 2018
Assumptions used principally in determining the fair value of options granted
Expected dividend yield (as a percent)	0.00%	0.00%
Expected term (employee grants)	6 years	5 years 7 months 13 days
Expected volatility (as a percent)	105.00%	104.00%
Minimum
Assumptions used principally in determining the fair value of options granted
Risk-free interest rate (as a percent)	2.55%	2.45%
Maximum
Assumptions used principally in determining the fair value of options granted
Risk-free interest rate (as a percent)		2.88%

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- Definition

The estimated dividend rate (a percentage of the share price) to be paid (expected dividends) to holders of the underlying shares over the option's term.

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- Definition

The estimated measure of the percentage by which a share price is expected to fluctuate during a period. Volatility also may be defined as a probability-weighted measure of the dispersion of returns about the mean. The volatility of a share price is the standard deviation of the continuously compounded rates of return on the share over a specified period. That is the same as the standard deviation of the differences in the natural logarithms of the stock prices plus dividends, if any, over the period.

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- Definition

The risk-free interest rate assumption that is used in valuing an option on its own shares.

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- Definition

Expected term of award under share-based payment arrangement, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days.

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Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
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-URI http://asc.fasb.org/extlink&oid=115993241&loc=d3e301413-122809

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