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v3.23.2

Consolidated Statements of Cash Flows - USD ($) | 12 Months Ended
--- | ---
May 31, 2023 | May 31, 2022
Cash flows from operating activities: |  |
Net loss | $ (7,140,000) | $ (4,531,000)
Adjustments to reconcile net loss to net cash used in operating activities: |  |
Depreciation and amortization | 84,000 | 339,000
Loss on disposal of property and equipment |  | 53,000
Provision for allowance on accounts receivable | 342,000 | (684,000)
Inventory reserve | (174,000) | (772,000)
Share-based compensation | 1,185,000 | 1,260,000
Amortization of right-of-use asset | 267,000 | 256,000
Changes in assets and liabilities: |  |
Accounts receivable | (291,000) | 1,365,000
Inventories | 534,000 | 1,562,000
Prepaid expenses and other | 20,000 | 50,000
Other assets | 18,000 | 169,000
Accounts payable and accrued expenses | (80,000) | 389,000
Accrued compensation | 49,000 | 258,000
Advance from customers | 9,000 | 51,000
Reduction in lease liabilities | (297,000) | (244,000)
Net cash used in operating activities | (5,474,000) | (479,000)
Cash flows from investing activities: |  |
Expenditure related to intangibles | (14,000) | (113,000)
Purchases of property and equipment | (64,000) | (57,000)
Net cash used in investing activities | (78,000) | (170,000)
Cash flows from financing activities: |  |
Gross proceeds from sale of common stock | 10,014,000 | 2,402,000
Costs from sale of common stock | (705,000) | (85,000)
Proceeds from exercise of stock options | 81,000 | 77,000
Net cash provided by financing activities | 9,390,000 | 2,394,000
Effect of exchange rate changes in cash | (36,000) | (26,000)
Net increase in cash and cash equivalents | 3,802,000 | 1,719,000
Cash and cash equivalents at beginning of year | 5,917,000 | 4,199,000
Cash and cash equivalents at end of year | 9,719,000 | 5,917,000
Cash paid during the year for: |  |
Income taxes | 51,000 | 24,000
Non-cash investing and financing activities: |  |
Increase in right-of-use asset due to lease extension or establishment |  | 4,000
Increase in lease liability due to lease extension or establishment |  | 4,000
Write off of fixed assets, cost | 40,000 | 820,000
Write off of fixed assets, accumulated depreciation | 40,000 | 767,000
Write off of intangible assets, cost | 6,000 | 247,000
Write off of intangible assets, accumulated amortization | $ 6,000 | $ 37,000

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