4. BALANCE SHEET DETAIL

3 Months Ended

Jun. 30, 2022

BALANCE SHEET DETAIL

NOTE 4 - BALANCE SHEET DETAIL

NOTE 4—BALANCE SHEET DETAIL

	June 30, 2022		March 31, 2022
	(In thousands)
Inventories:
Work-in-progress	$	3,134	$	3,085
Finished goods		1,637		1,555
Inventory at distributors		9		15
	$	4,780	$	4,655

	June 30, 2022		March 31, 2022
	(In thousands)
Accounts receivable, net:
Accounts receivable	$	4,364	$	4,599
Less: Allowances for doubtful accounts and other		(55)		(81)
	$	4,309	$	4,518

	June 30, 2022		March 31, 2022
	(In thousands)
Prepaid expenses and other current assets:
Prepaid tooling and masks	$	537	$	68
Other receivables		182		226
Other prepaid expenses and other current assets		1,090		1,261
	$	1,809	$	1,555

	June 30, 2022		March 31, 2022
	(In thousands)
Property and equipment, net:
Computer and other equipment	$	18,484	$	18,415
Software		4,428		4,425
Land		3,900		3,900
Building and building improvements		3,735		3,735
Furniture and fixtures		102		102
Leasehold improvements		878		878
		31,527		31,455
Less: Accumulated depreciation		(24,293)		(24,096)
	$	7,234	$	7,359

Depreciation expense was $197,000 and $187,000 for the three months ended June 30, 2022 and 2021, respectively.

The following tables summarize the components of intangible assets and related accumulated amortization balances at June 30, 2022 and March 31, 2022 (in thousands):

	As of June 30, 2022
	Gross Carrying Amount		Accumulated Amortization		Net Carrying Amount
Intangible assets:
Product designs	$	590	$	(590)	$	—
Patents		4,220		(2,256)		1,964
Software		80		(80)		—
Total	$	4,890	$	(2,926)	$	1,964

	As of March 31, 2022
	Gross Carrying Amount		Accumulated Amortization		Net Carrying Amount
Intangible assets:
Product designs	$	590	$	(590)	$	—
Patents		4,220		(2,197)		2,023
Software		80		(80)		—
Total	$	4,890	$	(2,867)	$	2,023

Amortization of intangible assets included in cost of revenues was $59,000 and $59,000 for the three months ended June 30, 2022 and 2021, respectively.

As of June 30, 2022, the estimated future amortization expense of intangible assets in the table above is as follows (in thousands):

Fiscal year ending March 31,
2023 (remaining nine months)	$	175
2024		233
2025		233
2026		233
2027		233
Thereafter		857
Total	$	1,964

	June 30, 2022		March 31, 2022
	(In thousands)
Accrued expenses and other liabilities:
Accrued compensation	$	3,915	$	5,524
Accrued commissions		247		232
Income taxes payable		149		127
Miscellaneous accrued expenses		1,275		967
	$	5,586	$	6,850