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BALANCE SHEET DETAIL | 12 Months Ended
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May 31, 2022
BALANCE SHEET DETAIL |
BALANCE SHEET DETAIL | 6. BALANCE SHEET DETAIL: INVENTORIES:
|  | May 31, |
(In Thousands) |  | 2022 |  |  | 2021 |
Raw materials and sub-assemblies |  | $ | 9,507 |  |  | $ | 5,859 |
Work in process |  |  | 5,461 |  |  |  | 2,988 |
Finished goods |  |  | 83 |  |  |  | 2 |
|  | $ | 15,051 |  |  | $ | 8,849 |
During the year ended May 31, 2022, 2021, and 2020, the Company wrote down $1,031,000, $176,000, and $1,669,000 of inventory, respectively. PROPERTY AND EQUIPMENT, NET:
|  | May 31, |
(In Thousands) |  | 2022 |  |  | 2021 |
Leasehold improvements |  | $ | 1,230 |  |  | $ | 1,214 |
Furniture and fixtures |  |  | 697 |  |  |  | 627 |
Machinery and equipment |  |  | 4,013 |  |  |  | 3,343 |
Test equipment |  |  | 2,523 |  |  |  | 2,525 |
|  |  | 8,463 |  |  |  | 7,709 |
Less: Accumulated depreciation and amortization |  |  | (7,260 | ) |  |  | (7,032 | )
|  | $ | 1,203 |  |  | $ | 677 |
Depreciation expense was $307,000, $310,000 and $384,000 for fiscal 2022, 2021, and 2020, respectively. ACCRUED EXPENSES:
|  | May 31, |
(In Thousands) |  | 2022 |  |  | 2021 |
Commissions and bonuses |  | $ | 1,505 |  |  | $ | 413 |
Payroll related |  |  | 1,401 |  |  |  | 1,020 |
Warranty |  |  | 410 |  |  |  | 494 |
Professional services |  |  | 204 |  |  |  | 168 |
Investor relations |  |  | 44 |  |  |  | 22 |
Accrued interest |  |  | - |  |  |  | 16 |
Taxes payable |  |  | 13 |  |  |  | 5 |
Other |  |  | 33 |  |  |  | 25 |
|  | $ | 3,610 |  |  | $ | 2,163 |
CUSTOMER DEPOSITS AND DEFERRED REVENUE, SHORT-TERM:
|  | May 31, |
(In Thousands) |  | 2022 |  |  | 2021 |
Customer deposits |  | $ | 2,263 |  |  | $ | 27 |
Deferred revenue |  |  | 152 |  |  |  | 162 |
|  | $ | 2,415 |  |  | $ | 189 |

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- Definition The entire disclosure for supplemental balance sheet disclosures, including descriptions and amounts for assets, liabilities, and equity. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -URI https://asc.fasb.org/topic&trid=2122208 + Details
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