| Fair Value Measurements (Reconciliation of the Beginning and Ending Liability Balance) (Details) | 3 Months Ended | 
|---|---|
| Dec. 31, 2018  USD ($) | |
| Fair Value Measurements [Abstract] | |
| Beginning balance | $ 2,426,000 | 
| Change in fair value of derivative liabilities | (225,000) | 
| Ending balance | $ 2,201,000 | 
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- References No definition available. 
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- Definition 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 
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- Definition Fair value 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 
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