Debt - Securities Purchase Agreement (Details)							1 Months Ended			3 Months Ended					9 Months Ended		12 Months Ended
	Apr. 17, 2019 USD ($)	Apr. 16, 2019 USD ($)	Aug. 02, 2018 USD ($)	Mar. 21, 2018 USD ($)	Feb. 26, 2018 USD ($)	Dec. 08, 2017 USD ($)	May 31, 2019 USD ($)	Apr. 30, 2019 USD ($) shares	Mar. 31, 2019 USD ($)	Sep. 30, 2019 USD ($)	Jun. 26, 2019 USD ($)	Mar. 31, 2019 USD ($) shares	Dec. 31, 2018 USD ($) item	Sep. 30, 2018 USD ($)	Sep. 30, 2019 USD ($) item	Sep. 30, 2018 USD ($)	Dec. 31, 2018 USD ($) item	Jun. 30, 2019 USD ($)	Feb. 28, 2015 USD ($)
Debt and Warrants
Principal amount																			$ 150,000
Proceeds from issuance of short-term notes payable															$ 5,050,000
Convertible debt													$ 11,239,170				$ 11,239,170
Convertible Notes Payable Gross													$ 11,294,770				11,294,770
Number of notes for which standstill fee paid | item													4
Convertible debt – current, net of discount													$ 11,239,170				11,239,170
Principal less discount													11,294,770				11,294,770
Loss on extinguishment of debt										$ (335,753)					(4,940,911)
Change in warrant liability										(841,834)				$ (26,231)	(1,002,865)	$ 119,134
Chicago Venture Partners, L.P.
Debt and Warrants
Convertible debt													499,403				499,403
Total standstill fee													$ 499,403		$ 499,403		$ 499,403
Number of notes for which standstill fee paid | item													4		4		4
March 2018 note payable
Debt and Warrants
Carrying value of notes										0			$ 1,005,880		$ 0		$ 1,005,880
2019 Bridge Notes
Debt and Warrants
Principal amount																		$ 5,050,000
Proceeds from issuance of short-term notes payable											$ 5,050,000
Interest rate (as a percent)											12.00%
Securities purchase agreement | Chicago Venture Partners, L.P.
Debt and Warrants
Principal amount				$ 1,090,341
Securities purchase agreement | Promissory Note, December 08, 2017 | Chicago Venture Partners, L.P.
Debt and Warrants
Principal amount						$ 1,587,500
Aggregate purchase price						1,100,000
Original issue discount						462,500
Transaction expenses						$ 25,000
Interest rate (as a percent)						8.00%
Convertible debt										$ 0			685,282		0		685,282
Maximum aggregate redemption amount			$ 500,000
Standstill fee													141,737
Increase in principal balance of notes payable													85,737
Standstill fee paid in cash													56,000
Repayments of notes payable, principal									$ 811,065
Repayments of notes payable, interest									178,755
Common stock issued in exchange of debt | shares												57,857
Loss on extinguishment of debt	$ 19,494						$ 27,176	$ 100,148	(243,419)						0		1,548,829
Securities purchase agreement | February 2018 note payable | Chicago Venture Partners, L.P.
Debt and Warrants
Principal amount					$ 2,240,909
Proceeds from issuance of short-term notes payable					1,560,000
Original issue discount					655,909
Transaction expenses					$ 25,000
Interest rate (as a percent)					8.00%
Standstill fee													198,841
Increase in principal balance of notes payable													118,841
Standstill fee paid in cash													80,000
Repayments of notes payable, principal									2,044,627
Repayments of notes payable, interest									203,866
Common stock issued in exchange of debt | shares								20,345				114,802
Loss on extinguishment of debt		$ 37,740							$ (487,865)				102,296		$ 0		$ 2,290,865
Securities purchase agreement | March 2018 note payable | Chicago Venture Partners, L.P.
Debt and Warrants
Proceeds from issuance of short-term notes payable				750,000
Original issue discount				315,341
Transaction expenses				$ 25,000
Interest rate (as a percent)				8.00%
Standstill fee													95,529
Increase in principal balance of notes payable													57,529
Standstill fee paid in cash													38,000
Repayments of notes payable, principal												$ 1,050,114
Repayments of notes payable, interest												$ 85,681
Common stock issued in exchange of debt | shares												95,407
Loss on extinguishment of debt												$ (1,210,676)	$ 223,824