Share-Based Compensation (Details 1) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended	12 Months Ended
	Sep. 30, 2017	Jun. 30, 2017
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock Options, Outstanding at beginning of the period	13,548,334
Stock Options, Granted	50,000
Stock Options, Outstanding at end of the period	13,598,334	13,548,334
Vested and, as of September 30, 2017, expected to vest	13,543,932
Exercisable as of September 30, 2017	10,911,679
Weighted-average Exercise Price, Outstanding at beginning of the period	$ 1.21
Weighted-average Exercise Price, Granted	0.40
Weighted-average Exercise Price, Outstanding at end of the period	1.21	$ 1.21
Vested and, as of September 30, 2017, expected to vest	1.21
Weighted-average Exercise Price, Exercisable	$ 1.30
Weighted-average Remaining Contractual Term (in years), Outstanding	5 years 7 months 6 days	5 years 9 months 18 days
Weighted-average Remaining Contractual Term (in years), Vested and,Vested and, as of September 30, 2017, expected to vest	5 years 7 months 6 days
Weighted-average Remaining Contractual Term (in years), Exercisable as of June 30, 2017	4 years 9 months 18 days
Aggregate Intrinsic Value ,Outstanding	$ 83	$ 138
Aggregate Intrinsic Value,Vested and, as of September 30, 2017, expected to vest	83
Aggregate Intrinsic Value,Exercisable as of September 30, 2017	$ 83