Debt (Narrative) (Details) item in Millions						6 Months Ended	12 Months Ended
	May 13, 2019	Feb. 15, 2019 USD ($)	Nov. 15, 2018 USD ($)	May 15, 2018 USD ($)	Mar. 05, 2018 USD ($) item	Mar. 31, 2019 USD ($)	Sep. 30, 2018 USD ($)
SWK Credit Agreement [Member]
Line of Credit Facility [Line Items]
Line of credit facility, maximum borrowing capacity					$ 12,000,000
Line of credit facility, amount outstanding					$ 10,000,000	$ 8,554,549	$ 9,394,288
Additional credit draw based on agreement						$ 2,000,000
Percentage of paid advanced amount					175.00%	175.00%
Period in which net revenue will be calculated					12 months
Minimum amount of net revenue required					$ 10,000,000
Percentage of product revenue					32.50%
Repayments		$ 600,000	$ 2,600,000			$ 3,834,202	$ 642,485
Percentage of outstanding shares acquired which constitutes a change of control					50.00%
Period to replace key persons					90 days
Required minimum liquid assets						1,000,000
Pledge percentage					65.00%
Net proceeds after fees and expenses						9,900,000
Deferred loan issuance costs						$ 267,000
SWK Credit Agreement [Member] | May 15, 2018 [Member]
Line of Credit Facility [Line Items]
Repayments				$ 600,000
SWK Credit Agreement [Member] | November 15, 2018 [Member]
Line of Credit Facility [Line Items]
Repayments			1,200,000
SWK Credit Agreement [Member] | August 15, 2018 [Member]
Line of Credit Facility [Line Items]
Repayments			$ 1,400,000
SWK Credit Agreement [Member] | Subsequent Event [Member]
Line of Credit Facility [Line Items]
Percentage of paid advanced amount	176.50%
SWK Credit Agreement [Member] | Brazil [Member]
Line of Credit Facility [Line Items]
Additional credit draw based on agreement					$ 1,000,000
Minimum units to be distributed under agreement | item					47.5
SWK Credit Agreement [Member] | South Africa [Member]
Line of Credit Facility [Line Items]
Additional credit draw based on agreement					$ 1,000,000
Minimum units to be distributed under agreement | item					30.0
SWK Credit Agreement [Member] | On or after to September 5, 2018 [Member]
Line of Credit Facility [Line Items]
Period in which net revenue will be calculated					12 months
Percentage of product revenue					5.00%
Net Revenue required					$ 2,000,000
Percentage of paid advanced amount that must be paid					175.00%
SWK Credit Agreement [Member] | Scenario 2 [Member]
Line of Credit Facility [Line Items]
Period in which net revenue will be calculated					12 months
Percentage of product revenue					25.00%
Net Revenue required					$ 10,000,000
SWK Credit Agreement [Member] | Scenario 3 [Member]
Line of Credit Facility [Line Items]
Percentage of product revenue					10.00%
Net Revenue required					$ 12,500,000
Residual Royalty Agreement [Member]
Line of Credit Facility [Line Items]
Period in which net revenue will be calculated					12 months
Percentage of product revenue					5.00%
Change of control minimum payment					$ 2,000,000
Maximum [Member] | SWK Credit Agreement [Member] | Scenario 2 [Member]
Line of Credit Facility [Line Items]
Net Revenue required					$ 12,500,000