Quarterly report pursuant to Section 13 or 15(d)

Stockholders' Equity (Details 2)

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Stockholders' Equity (Details 2) - Stock options [Member]
Sep. 30, 2018
$ / shares
shares
Number of stock options outstanding  
Balance - September 30 and June 30, 2018 | shares 2,626,829
Weighted average exercise price  
Balance - September 30 and June 30, 2018 | $ / shares $ 2.43