Basis of Presentation (Narrative) (Details) |
3 Months Ended | ||||||
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Oct. 01, 2023
USD ($)
shares
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Nov. 03, 2022
position
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Oct. 07, 2022
$ / shares
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Sep. 30, 2023
USD ($)
$ / shares
shares
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Jun. 30, 2023
USD ($)
$ / shares
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Sep. 30, 2022
USD ($)
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Jun. 30, 2022
USD ($)
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| Basis of Presentation [Line Items] | |||||||
| Percentage of workforce reduction | 60.00% | ||||||
| Number of positions reduced | position | 69 | ||||||
| Cash, cash equivalents and restricted cash | $ 4,761,000 | $ 7,579,000 | $ 15,883,000 | $ 28,672,000 | |||
| Reverse stock split, shares received per share tendered | 0.04 | ||||||
| Common stock, par value (in dollars per share) | $ / shares | $ 0.001 | $ 0.001 | $ 0.001 | ||||
| At-The-Market Offerings | |||||||
| Basis of Presentation [Line Items] | |||||||
| Shares sold | shares | 3,419,795 | ||||||
| Proceeds from offering | $ 1,700,000 | ||||||
| Lincoln Park Purchase Agreement | |||||||
| Basis of Presentation [Line Items] | |||||||
| Shares sold | shares | 429,164 | 3,622,834 | |||||
| Proceeds from offering | $ 100,000 | $ 1,200,000 | |||||
| Secured Term Loan | |||||||
| Basis of Presentation [Line Items] | |||||||
| Debt balance | $ 12,625,000 | $ 12,937,000 |
| X | ||||||||||
- References No definition available.
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| X | ||||||||||
- Definition Amount of cash and cash equivalents, and cash and cash equivalents restricted to withdrawal or usage. Excludes amount for disposal group and discontinued operations. Cash includes, but is not limited to, currency on hand, demand deposits with banks or financial institutions, and other accounts with general characteristics of demand deposits. Cash equivalents include, but are not limited to, short-term, highly liquid investments that are both readily convertible to known amounts of cash and so near their maturity that they present insignificant risk of changes in value because of changes in interest rates. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Face amount or stated value per share of common stock. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition Amount, after deduction of unamortized premium (discount) and debt issuance cost, of long-term debt. Excludes lease obligation. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition The cash inflow from the additional capital contribution to the entity. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition The expected number of positions to be eliminated as a result of restructuring activities. No definition available.
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- Definition The number of positions eliminated during the period as a percentage of total positions eliminated during the period in connection with the restructuring plan(s). No definition available.
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- Definition Number of new stock issued during the period. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition Ratio applied to the conversion of stock split, for example but not limited to, one share converted to two or two shares converted to one. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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