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Summary of Significant Accounting Policies - Additional Information (Detail) - USD ($) |  |  | 3 Months Ended |
--- | --- | --- | --- | ---
May 13, 2024 | May 08, 2024 | Jun. 30, 2024 | Jun. 30, 2023 | Mar. 31, 2024
Summary Of Significant Accounting Policies [Line Items] |  |  |  |  |
Cash and cash equivalents |  |  | $ 6,187,000 | $ 10,754,000 | $ 2,901,000
Restricted cash |  |  | 143,000 | 143,000 | 143,000
Accumulated deficit |  |  | (343,013,000) |  | $ (339,669,000)
Cash flow from operations |  |  | $ 2,983,000 | 5,311,000 |
Issuance of common stock |  |  | 14,373,076 |  | 10,077,726
Dilutive effect |  |  | $ 0 | $ 0 |
Common stock equivalents excluded from computing diluted net loss per share |  |  | 11,100,000 | 1,700,000 |
Minimum percentage of income tax payment net of refunds received |  |  | 5.00% |  |
Mosaic |  |  |  |  |
Summary Of Significant Accounting Policies [Line Items] |  |  |  |  |
Inventory finished goods |  |  | $ 400,000 |  | $ 300,000
Common Warrants [Member] |  |  |  |  |
Summary Of Significant Accounting Policies [Line Items] |  |  |  |  |
Issuance of common stock |  | 5,000,000 |  |  |
Issuance of warrants |  | 1,562,500 |  |  |
Stock offering price per share |  | $ 0.8 |  |  |
Pre-Funded Warrants [Member] |  |  |  |  |
Summary Of Significant Accounting Policies [Line Items] |  |  |  |  |
Stock offering price per share |  | $ 0.799 |  |  |
At-The-Market Facility [Member] |  |  |  |  |
Summary Of Significant Accounting Policies [Line Items] |  |  |  |  |
Issuance of common stock |  |  | 1,352,600 |  |
Issuance of common stock |  |  | 1,352,600 |  |
Net proceeds from issuance of offerings |  |  | $ 1,700,000 |  |
Public Offering [Member] |  |  |  |  |
Summary Of Significant Accounting Policies [Line Items] |  |  |  |  |
Initial offering date |  | May 8, 2024 |  |  |
Issuance of common stock |  | 1,562,500 |  |  |
Net proceeds from issuance of offerings | $ 4,500,000 |  |  |  |
Public Offering [Member] | Common Warrants [Member] |  |  |  |  |
Summary Of Significant Accounting Policies [Line Items] |  |  |  |  |
Issuance of common stock |  | 5,000,000 |  |  |
Public Offering [Member] | Common Warrants [Member] | Maximum [Member] |  |  |  |  |
Summary Of Significant Accounting Policies [Line Items] |  |  |  |  |
Issuance of warrants |  | 5,000,000 |  |  |

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- Definition Securities (including those issuable pursuant to contingent stock agreements) that could potentially dilute basic earnings per share (EPS) or earnings per unit (EPU) in the future that were not included in the computation of diluted EPS or EPU because to do so would increase EPS or EPU amounts or decrease loss per share or unit amounts for the period presented. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 260 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 1 -Subparagraph (c) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482662/260-10-50-1 + Details
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