Share Based Compensation - Nonvested Share Activity (Details)	6 Months Ended
	Mar. 31, 2018 USD ($) $ / shares shares
Disclosure of Compensation Related Costs, Share-based Payments [Abstract]
Fair value of options vested | $	$ 1,670
Shares
Nonvested at September 30, 2017 | shares	4,300,000
Granted (shares) | shares	34,000
Vested (shares) | shares	(1,774,000)
Forfeited (shares) | shares	(87,000)
Nonvested at March 31, 2018 | shares	2,473,000
Weighted Average Grant Date Fair Value/Share
Weighted average grant date fair value, nonvested, beginning balance (in dollars per share) | $ / shares	$ 1.36
Weighted average grant date fair value, granted (in dollars per share) | $ / shares
Weighted average grant date fair value, vested (in dollars per share) | $ / shares	1.07
Weighted average grant date fair value, forfeited (in dollars per share) | $ / shares	2.00
Weighted average grant date fair value, nonvested, ending balance (in dollars per share) | $ / shares	$ 1.59