Fair Value Measurements (Reconciliation of the Beginning and Ending Liability Balance) (Details) - USD ($)	3 Months Ended
Dec. 31, 2019	Dec. 31, 2018
Fair Value Measurements [Abstract]
Beginning balance	$ 3,625,000	$ 2,426,000
Change in fair value of derivative liabilities	394,000	(225,000)
Ending balance	$ 4,019,000	$ 2,201,000

Amount of increase (decrease) of financial instrument classified as a liability measured using unobservable inputs that reflect the entity's own assumption about the assumptions market participants would use in pricing.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 820
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (c)
-URI http://asc.fasb.org/extlink&oid=117815213&loc=d3e19207-110258

Name:	us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilityPeriodIncreaseDecrease
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	na
Period Type:	duration