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v3.22.2

Consolidated Statements of Cash Flows - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Apr. 30, 2022 | Apr. 30, 2021
Cash flows from operating activities: |  |
Net loss | $ (18,874) | $ (14,760)
Adjustments to reconcile net loss to net cash used in operating activities: |  |
Foreign exchange (gain) / loss | 1 | (15)
Depreciation of fixed assets | 144 | 143
Amortization of intangibles | 86 | 6
Amortization of right of use asset | 285 | 223
Amortization of premium on investments | 58 |
Gain on forgiveness of PPP loan | (890) |
Loss on liquidation of subsidiary | 157 |
Compensation expense related to equity compensation | 1,169 | 721
Deferred tax liabilities | (377) |
Performance obligation shares compensation | (60) | 60
Net effect from disposal of property, plant and equipment |  | 2
Accounts receivable | (133) | (245)
Contract assets | (195) | 61
Inventory | (292) |
Other assets | 19 | 106
Accounts payable | 217 | 441
Accrued expenses | (1,004) | 761
Litigation payable | (1,224) | 1,224
Change in right of use lease liability | (309) | (237)
Contract liabilities | (74) | (165)
Net cash used in operating activities | (21,296) | (11,674)
Cash flows from investing activities: |  |
Cash acquired in acquisition |  | 100
Purchase of short-term investments | (49,442) |
Purchase of property, plant and equipment | (145) | (26)
Payment for MAR acquisition, net of cash acquired | (4,444) |
Net cash (used in) provided by investing activities | (54,031) | 74
Cash flows from financing activities: |  |
Proceeds from Paycheck Protection Program Loan |  | 890
Proceeds from loan payable |  | 467
Payment of loan payable |  | (467)
Proceeds from stock option exercises | 90 | 184
Payment of payroll taxes related to stock option exercises |  | (245)
Proceeds from issuance of common stock- Aspire financing net of issuance costs |  | 14,393
Proceeds from issuance of common stock- AGP At The Market offering, net of issuance costs |  | 66,166
Proceeds associated with exercise of common stock warrants |  | 2,818
Acquisition of treasury stock | (3) | (36)
Net cash provided by financing activities | 87 | 84,170
Effect of exchange rate changes on cash, cash equivalents and restricted cash | (32) | 134
Net (decrease) / increase in cash, cash equivalents and restricted cash | (75,272) | 72,704
Cash, cash equivalents and restricted cash, beginning of year | 83,634 | 10,930
Cash, cash equivalents and restricted cash, end of year | 8,362 | 83,634
Supplemental disclosure of noncash investing and financing activities: |  |
Acquisition of property, plant and equipment through accounts payable |  | 6
Issuance of stock for acquisition | 5,855 | 477
Contingent liability - MAR | $ 1,591 |

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