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DEBT (Tables)
12 Months Ended
Dec. 31, 2018
Debt Disclosure [Abstract]  
Schedule of Long-term Debt Instruments [Table Text Block]

 

 

December 31,

 

 

2018

 

2017

8.5% Notes

$

6,849,000

$

12% Notes

 

 

1,621,250

Unamortized debt discount

 

(1,575,094)

 

(443,917)

 

 

5,273,906

 

1,177,333

Less: Current portion

 

(5,273,906)

 

(1,177,333)

Long-term portion

$

$

Schedule of Share-based Payment Award, Stock Options, Valuation Assumptions [Table Text Block]
For purposes of determining the debt discount, the underlying assumptions used in the binomial lattice model to determine the fair value of the 8.5% Warrants as of April 2018, were:

Current stock price

$

4.18

Exercise price

$

2.35

Risk-free interest rate

 

2.46%

Expected dividend yield

 

Expected term (in years)

 

2.0

Expected volatility

 

134 %

Number of iterations

 

5