Quarterly report pursuant to Section 13 or 15(d)

Fair Value Measurements (Reconciliation of the Beginning and Ending Liability Balance) (Details)

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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