8. STOCK PURCHASE OPTIONS AND WARRANTS (Details 1)	6 Months Ended	12 Months Ended
Dec. 31, 2017	Jun. 30, 2017
Stock Purchase Options And Warrants Details 1
Expected volatility, minimum	105.00%	92.00%
Expected volatility, maximum	190.00%	126.00%
Expected dividends	0.00%	0.00%
Expected term, minimum	0 years	0 years
Expected term, maximum	5 years	5 years
Risk-free interest rate, minimum	0.96%	0.74%
Risk-free interest rate, maximum	2.09%	1.89%

The estimated measure of the maximum 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.

No definition available.

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