INCOME TAXES, STATUTORY INCOME TAX RATES (Details)	12 Months Ended
Dec. 31, 2019	Dec. 31, 2018
Income tax benefits computed using the federal statutory income tax rate
Statutory rate	(21.00%)	(21.00%)
State taxes, net of benefit	(5.70%)	(2.90%)
Permanent differences:
Warrant modification expense	1.20%
Derivative losses		10.90%
Other	0.40%	0.40%
Research and development tax credit	(1.40%)	(0.80%)
Other	1.20%	1.90%
Increase / (decrease) in valuation reserve	25.30%	11.50%
Effective tax rate	0.00%	0.00%

Effective income tax rate reconciliation nondeductible expense change in derivative liabilities.

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Percentage of current income tax expense (benefit) and deferred income tax expense (benefit) pertaining to continuing operations.

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Percentage of domestic federal statutory tax rate applicable to pretax income (loss).

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