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DEBT - Additional Information (Details) - Hercules and Silicon Valley Bank [Member] - USD ($) |  |  | 9 Months Ended |  |  |
--- | --- | --- | --- | --- | --- | ---
Jun. 01, 2022 | Aug. 12, 2021 | Sep. 30, 2020 | Mar. 31, 2022 | Dec. 31, 2021 | Jun. 30, 2021
Debt Instrument [Line Items] |  |  |  |  |  |
Maximum borrowing capacity under term loan |  |  | $ 75,000,000 |  |  |
Debt covenant minimum cash balance |  |  | 25,000,000 |  |  |
Debt covenant minimum cash balance upon licensing transaction |  | $ 35,000,000 | 30,000,000 |  |  |
Principal amount outstanding under term loan |  |  |  | $ 50,000,000 |  |
Carrying value of term loan, net |  |  |  | 50,179,000 |  |
Unamortized debt discount and issuance costs |  |  |  | 776,000 |  |
Accrued end of term charge |  |  |  | $ 955,000 |  |
Scenario Forecast [Member] |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |
Debt covenant minimum cash balance | $ 30,000,000 |  |  |  |  |
Tranche A [Member] |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |
Maximum borrowing capacity under term loan |  |  | 35,000,000 |  |  |
Principal amount outstanding under term loan |  |  | 25,000,000 |  |  | $ 10,000,000
Tranche B [Member] |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |
Maximum borrowing capacity under term loan |  |  | 15,000,000 |  |  |
Principal amount outstanding under term loan |  |  |  |  | $ 15,000,000 |
Tranche C [Member] |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |
Maximum borrowing capacity under term loan |  |  | $ 25,000,000 |  |  |
Expiration date to borrow under a tranche for a debt instrument |  |  | Dec. 31, 2022 |  |  |

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- Definition Amount, before unamortized (discount) premium and debt issuance costs, of long-term debt. Includes, but is not limited to, notes payable, bonds payable, commercial loans, mortgage loans, convertible debt, subordinated debt and other types of debt. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 470 -SubTopic 20 -Section 50 -Paragraph 4 -Subparagraph (b)(1) -URI http://asc.fasb.org/extlink&oid=123466204&loc=SL6031897-161870 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.7-03(16)) -URI http://asc.fasb.org/extlink&oid=120400017&loc=d3e572229-122910 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(22)) -URI http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682 Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-03(16)) -URI http://asc.fasb.org/extlink&oid=120398452&loc=d3e534808-122878 + Details
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