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v3.22.2.2

Consolidated Statements of Cash Flows (Unaudited) - USD ($) | 6 Months Ended
--- | ---
Oct. 31, 2022 | Oct. 31, 2021
Cash flows from operating activities: |  |
Net loss | $ (10,696,000) | $ (8,250,000)
Adjustments to reconcile net loss to net cash used in operating activities: |  |
Foreign exchange loss (gain) |  | 5,000
Depreciation of fixed assets | 117,000 | 70,000
Amortization of intangible assets | 79,000 | 12,000
Amortization of right of use asset | 152,000 | 139,000
Amortization of premium on marketable securities | 191,000 |
Change in contingent consideration liability | (221,000) |
Gain on extinguishment of PPP Loan |  | (891,000)
Compensation expense related to equity compensation | 632,000 | 547,000
Changes in operating assets and liabilities: |  |
Accounts receivable | (105,000) | 170,000
Contract assets | 85,000 | (135,000)
Inventory | (586,000) |
Other assets | (2,180,000) | (73,000)
Accounts payable | (316,000) | (410,000)
Accrued expenses | 680,000 | (305,000)
Change in lease liability | (166,000) | (147,000)
Contract liabilities | 1,333,000 | 117,000
Litigation payable |  | (1,224,000)
Net cash used in operating activities | (11,001,000) | (10,375,000)
Cash flows from investing activities: |  |
Redemptions of marketable securities | 33,150,000 |
Purchases of marketable securities | (20,108,000) |
Dividends and interest on investments | 283,000 |
Purchase of property, plant and equipment | (179,000) | (24,000)
Net cash provided by (used in) investing activities | 13,146,000 | (24,000)
Cash flows from financing activities: |  |
Proceeds from stock option exercises |  | 21,000
Net cash provided by financing activities |  | 21,000
Effect of exchange rate changes on cash, cash equivalents and restricted cash |  | (20,000)
Net increase / (decrease) in cash, cash equivalents and restricted cash | 2,145,000 | (10,398,000)
Cash, cash equivalents and restricted cash, beginning of period | 8,362,000 | 83,634,000
Cash, cash equivalents and restricted cash, end of period | $ 10,507,000 | $ 73,236,000

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