4. BALANCE SHEET DETAIL (Tables)

3 Months Ended

Jun. 30, 2019

BALANCE SHEET DETAIL

Schedule of inventories

	June 30, 2019		March 31, 2019
	(In thousands)
Inventories:
Work-in-progress	$	1,853	$	1,983
Finished goods		3,604		3,690
Inventory at distributors		6		12
	$	5,463	$	5,685

Schedule of accounts receivable, net

	June 30, 2019		March 31, 2019
	(In thousands)
Accounts receivable, net:
Accounts receivable	$	7,468	$	7,441
Less: Allowances for doubtful accounts and other		(93)		(102)
	$	7,375	$	7,339

Schedule of prepaid expenses and other current assets

	June 30, 2019		March 31, 2019
	(In thousands)
Prepaid expenses and other current assets:
Prepaid tooling and masks	$	880	$	535
Prepaid income taxes		51		39
Escrow deposit		1,000		1,000
Other receivables		341		321
Other prepaid expenses and other current assets		737		605
	$	3,009	$	2,500

Schedule of property and equipment, net

	June 30, 2019		March 31, 2019
	(In thousands)
Property and equipment, net:
Computer and other equipment	$	19,117	$	19,086
Software		4,058		4,058
Land		3,900		3,900
Building and building improvements		3,718		3,718
Furniture and fixtures		102		102
Leasehold improvements		848		848
		31,743		31,712
Less: Accumulated depreciation		(23,017)		(22,711)
	$	8,726	$	9,001

Schedule of other assets

	June 30, 2019		March 31, 2019
	(In thousands)
Other assets:
Non-current deferred income taxes		34		35
Deposits		126		125
	$	160	$	160

Schedule of intangible assets

The following tables summarize the components of intangible assets and related accumulated amortization balances at June 30, 2019 and March 31, 2019 (in thousands):

	As of June 30, 2019
	Gross Carrying Amount		Accumulated amortization		Net Carrying Amount
Intangible assets:
Product designs	$	590	$	(590)	$	—
Patents		4,220		(1,556)		2,664
Software		80		(80)		—
Total	$	4,890	$	(2,226)	$	2,664

	As of March 31, 2019
	Gross Carrying Amount		Accumulated Amortization		Net Carrying Amount
Intangible assets:
Product designs	$	590	$	(590)	$	—
Patents		4,220		(1,498)		2,722
Software		80		(80)		—
Total	$	4,890	$	(2,168)	$	2,722

Estimated future amortization expense of intangible assets

As of June 30, 2019, the estimated future amortization expense of intangible assets in the table above is as follows (in thousands):

Fiscal year ending March 31,
2020 (9 months remaining)	$	175
2021		233
2022		233
2023		233
2024		233
Thereafter		1,557
Total	$	2,664

Schedule of accrued expenses and other liabilities

	June 30, 2019		March 31, 2019
	(In thousands)
Accrued expenses and other liabilities:
Accrued compensation	$	3,090	$	4,659
Accrued professional fees		45		60
Accrued commissions		384		304
Contingent consideration		495		492
Accrued retention payment		446		415
Miscellaneous accrued expenses		745		939
	$	5,205	$	6,869