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4. BALANCE SHEET DETAIL | 9 Months Ended
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Dec. 31, 2020
BALANCE SHEET DETAIL |
NOTE 4 - BALANCE SHEET DETAIL | NOTE 4—BALANCE SHEET DETAIL
|  | December 31, 2020 |  | March 31, 2020 |
|  | (In thousands) |
Inventories: |  |  |
Work-in-progress |  | $ | 1,924 |  | $ | 1,650 |
Finished goods |  |  | 2,572 |  |  | 2,612 |
Inventory at distributors |  |  | 27 |  |  | 20 |
|  | $ | 4,523 |  | $ | 4,282 |
|  | December 31, 2020 |  | March 31, 2020 |
|  | (In thousands) |
Accounts receivable, net: |  |  |  |  |  |  |
Accounts receivable |  | $ | 4,072 |  | $ | 6,415 |
Less: Allowances for doubtful accounts and other |  |  | (60) |  |  | (85) |
|  | $ | 4,012 |  | $ | 6,330 |
|  | December 31, 2020 |  | March 31, 2020 |
|  | (In thousands) |
Prepaid expenses and other current assets: |  |  |  |  |  |  |
Prepaid tooling and masks |  | $ | 783 |  | $ | 707 |
Prepaid income taxes |  |  | 45 |  |  | 79 |
Other receivables |  |  | 234 |  |  | 211 |
Other prepaid expenses and other current assets |  |  | 917 |  |  | 937 |
|  | $ | 1,979 |  | $ | 1,934 |
|  | December 31, 2020 |  | March 31, 2020 |
|  | (In thousands) |
Property and equipment, net: |  |  |  |  |  |  |
Computer and other equipment |  | $ | 18,289 |  | $ | 18,191 |
Software |  |  | 4,097 |  |  | 4,086 |
Land |  |  | 3,900 |  |  | 3,900 |
Building and building improvements |  |  | 3,735 |  |  | 3,735 |
Furniture and fixtures |  |  | 102 |  |  | 102 |
Leasehold improvements |  |  | 877 |  |  | 874 |
|  |  | 31,000 |  |  | 30,888 |
Less: Accumulated depreciation |  |  | (23,556) |  |  | (22,769) |
|  | $ | 7,444 |  | $ | 8,119 |
Depreciation expense was $197,000 and $293,000 for the three months ended December 31, 2020 and 2019, respectively, and $787,000 and $904,000 for the nine months ended December 31, 2020 and 2019, respectively.
|  | December 31, 2020 |  | March 31, 2020 |
|  | (In thousands) |
Other assets: |  |  |  |  |  |  |
Deposits |  | $ | 139 |  | $ | 128 |
|  | $ | 139 |  | $ | 128 |
The following tables summarize the components of intangible assets and related accumulated amortization balances at December 31, 2020 and March 31, 2020 (in thousands):
|  | As of December 31, 2020 |
|  | Gross Carrying Amount |  | Accumulated amortization |  | Net Carrying Amount |
Intangible assets: |  |  |  |  |  |  |  |  |  |
Product designs |  | $ | 590 |  | $ | (590) |  | $ | — |
Patents |  |  | 4,220 |  |  | (1,906) |  |  | 2,314 |
Software |  |  | 80 |  |  | (80) |  |  | — |
Total |  | $ | 4,890 |  | $ | (2,576) |  | $ | 2,314 |
|  | As of March 31, 2020 |
|  | Gross Carrying Amount |  | Accumulated Amortization |  | Net Carrying Amount |
Intangible assets: |  |  |  |  |  |  |  |  |  |
Product designs |  | $ | 590 |  | $ | (590) |  | $ | — |
Patents |  |  | 4,220 |  |  | (1,731) |  |  | 2,489 |
Software |  |  | 80 |  |  | (80) |  |  | — |
Total |  | $ | 4,890 |  | $ | (2,401) |  | $ | 2,489 |
Amortization of intangible assets included in cost of revenues was $58,000 and $58,000 for the three months ended December 31, 2020 and 2019, respectively, and $175,000 and $175,000 for the nine months ended December 31, 2020 and 2019, respectively. As of December 31, 2020, the estimated future amortization expense of intangible assets in the table above is as follows (in thousands):
Fiscal year ending March 31, |  |  |
2021 (Remaining three months) |  | $ | 58 |
2022 |  |  | 233 |
2023 |  |  | 233 |
2024 |  |  | 233 |
2025 |  |  | 233 |
Thereafter |  |  | 1,324 |
Total |  | $ | 2,314 |
|  | December 31, 2020 |  | March 31, 2020 |
|  | (In thousands) |
Accrued expenses and other liabilities: |  |  |  |  |  |  |
Accrued compensation |  | $ | 3,959 |  | $ | 3,673 |
Purchased intellectual property |  |  | — |  |  | 1,621 |
Accrued commissions |  |  | 223 |  |  | 270 |
Income taxes payable |  |  | 211 |  |  | 143 |
Miscellaneous accrued expenses |  |  | 1,132 |  |  | 871 |
|  | $ | 5,525 |  | $ | 6,578 |

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