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4. BALANCE SHEET DETAIL (Tables) | 9 Months Ended
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Dec. 31, 2020
BALANCE SHEET DETAIL |
Schedule of inventories |
|  | 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 |
Schedule of accounts receivable, net |
|  | 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 |
Schedule of prepaid expenses and other current assets |
|  | 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 |
Schedule of property and equipment, net |
|  | 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 |
Schedule of other assets |
|  | December 31, 2020 |  | March 31, 2020 |
|  | (In thousands) |
Other assets: |  |  |  |  |  |  |
Deposits |  | $ | 139 |  | $ | 128 |
|  | $ | 139 |  | $ | 128 |
Schedule of intangible assets | 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 |
Estimated future amortization expense of intangible assets | 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 |
Schedule of accrued expenses and other liabilities |
|  | 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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