Quarterly report pursuant to Section 13 or 15(d)

2017 REGISTERED DIRECT OFFERING - Fair value of derivative (Details)

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2017 REGISTERED DIRECT OFFERING - Fair value of derivative (Details) - Fair Value, Inputs, Level 3 [Member] - REGISTERED DIRECT OFFERING 2017 [Member] - USD ($)
3 Months Ended 12 Months Ended
Dec. 31, 2020
Sep. 30, 2020
Beginning balance at beginning of year $ 1,000,000 $ 1,000,000
Issuances 0 0
Adjustments to estimated fair value 0 0
Ending balance at end of year $ 1,000,000 $ 1,000,000