Notes Payable Warrant Exchange (Narrative) (Details) - USD ($) |
Jun. 30, 2021 |
Aug. 20, 2020 |
Jun. 30, 2020 |
Feb. 20, 2020 |
|---|---|---|---|---|
| Notes payable | $ 0 | $ 339,000 | ||
| Warrant Exchange [Member] | ||||
| Notes payable | $ 3,300,000 | |||
| Gross proceeds threshold of underwritten offering of securities for notes payable | $ 10,000,000 |
| X | ||||||||||
- Definition Gross proceeds threshold of underwritten offering of securities for notes payable. No definition available.
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| X | ||||||||||
- Definition Carrying value as of the balance sheet date of notes payable (with maturities initially due after one year or beyond the operating cycle if longer), excluding current portion. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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| X | ||||||||||
- Details
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