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Unaudited Condensed Consolidated Statements of Cash Flows - USD ($) $ in Thousands | 3 Months Ended | 9 Months Ended
--- | --- | ---
Dec. 31, 2022 | Dec. 31, 2021 | Dec. 31, 2022 | Dec. 31, 2021
Cash Flows From Operating Activities |  |  |  |
Net loss | $ (3,264) | $ (3,500) | $ (9,800) | $ (9,537)
Adjustments to reconcile net loss to net cash used in operating activities: |  |  |  |
Loss on investment in equity securities | 48 | 0 | 123 | 0
Accretion on investments |  |  | (104) | 0
Depreciation and amortization |  |  | 234 | 96
Stock-based compensation | 544 | 588 | 1,877 | 1,429
Increase (decrease) in cash resulting from changes in: |  |  |  |
Accounts receivable |  |  | (76) | 0
Prepaid expenses and other assets |  |  | 18 | 288
Accounts payable |  |  | (173) | 324
Accrued expenses |  |  | 157 | 486
Operating lease right-of-use assets and liabilities, net |  |  | 69 | 2
Net cash used in operating activities |  |  | (7,675) | (6,912)
Cash Flows From Investing Activities |  |  |  |
Purchases of fixed assets |  |  | (234) | (356)
Purchases of investments |  |  | (9,893) | 0
Maturities of investments |  |  | 10,000 | 0
Purchases of equity securities |  |  | (1,061) | 0
Sales of equity securities |  |  | 384 | 0
Net cash used in investing activities |  |  | (804) | (356)
Cash Flows From Financing Activities |  |  |  |
Proceeds from issuance of common stock, net |  |  | 0 | 251
Employee taxes paid related to net share settlement of equity awards |  |  | 0 | (46)
Net cash provided by financing activities |  |  | 0 | 205
Net decrease in cash, cash equivalents, and restricted cash |  |  | (8,479) | (7,063)
Cash, cash equivalents, and restricted cash at beginning of period |  |  | 28,818 | 37,475
Cash, cash equivalents, and restricted cash at end of period | 20,339 | 30,412 | 20,339 | 30,412
Reconciliation of cash, cash equivalents, and restricted cash to the condensed consolidated balance sheets |  |  |  |
Cash and cash equivalents | 20,196 | 30,269 | 20,196 | 30,269
Restricted cash | 143 | 143 | 143 | 143
Cash, cash equivalents, and restricted cash at end of period | $ 20,339 | $ 30,412 | 20,339 | 30,412
Supplemental Disclosure of Cash Flow Information: |  |  |  |
Income taxes paid |  |  | $ (2) | $ (2)

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