Quarterly report pursuant to Section 13 or 15(d)

Stockholders' Equity (Details 5)

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Stockholders' Equity (Details 5) - Unvested stock options [Member]
3 Months Ended
Sep. 30, 2017
$ / shares
shares
Number of Options  
Unvested, Beginning balance | shares 318,033
Granted | shares 180,000
Vested | shares (34,966)
Unvested, Ending balance | shares 463,067
Weighted average exercise price  
Unvested, Beginning balance $ 4.81
Granted 2.11
Vested 4.78
Unvested, Ending balance 3.76
Weighted average grant date fair value  
Unvested, Beginning balance 2.57
Granted 1.13
Vested 2.58
Unvested, Ending balance $ 2.03