FAIR VALUE MEASUREMENTS AND FINANCIAL INSTRUMENTS (Tables)

12 Months Ended

Dec. 31, 2019

Fair Value Disclosures [Abstract]

Fair Value, Liabilities Measured on Recurring Basis [Table Text Block]

Liabilities measured at fair value on a recurring basis are summarized as follows:

	Fair value measurement using inputs						Carrying amount
	Level 1		Level 2		Level 3		December 31, 2019		December 31, 2018
Financial instruments:
Series 2023 Note Derivative	$	-	$	-	$	-	$	-	$	253,215
Series A Note Derivative	$	-	$	-	$	-	$	-	$	1,526,857

Fair Value, Net Derivative Asset (Liability) Measured on Recurring Basis, Unobservable Input Reconciliation [Table Text Block]

The following table summarizes the activity for financial instruments at fair value using Level 3 inputs for 2019 and 2018:

	2019			2018
Balance at beginning of year	$	1,780,072		$	2,047,264
Issuance of additional Series 2023 Notes		-			27,858
Issuance of additional Series A Notes		-			183,541
Net unrealized gain included in operations		-			(478,591	)
Impact of change in accounting policy		(1,780,072	)		-
Balance at end of year	$	-		$	1,780,072

Fair Value Measurement Inputs and Valuation Techniques [Table Text Block]

For the Company's warrant and PIK note derivative liabilities, Level 3 fair value hierarchy was estimated using a Monte Carlo Model using the following assumptions:

Series 2023 Note derivative liability	Fair Value Measurements
	Using Inputs
	December 31, 2019		December 31, 2018
Market price and estimated fair value of stock	$	-	$	0.05
Exercise price	$	-	$	0.59
Term (years)		-		4.58
Dividend yield		-		-
Expected volatility		-		142.7	%
Risk-free interest rate		-		2.50	%

Series A Note derivative liability	Fair Value Measurements
	Using Inputs
	December 31, 2019		December 31, 2018
Market price and estimated fair value of stock	$	-	$	0.05
Exercise price	$	-	$	0.40
Term (years)		-		4.58
Dividend yield		-		-
Expected volatility		-		142.7	%
Risk-free interest rate		-		2.50	%