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4. BALANCE SHEET DETAIL

9 Months Ended

Dec. 31, 2021

BALANCE SHEET DETAIL

NOTE 4 - BALANCE SHEET DETAIL

NOTE 4—BALANCE SHEET DETAIL

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​	​	​	​	​	​	​
​	​	​
​	​	December 31, 2021		​	March 31, 2021
​	​	(In thousands)
Inventories:	​	​
Work-in-progress		$	3,186		$	1,561
Finished goods	​		1,535	​		2,764
Inventory at distributors	​		15	​		18
​		$	4,736		$	4,343

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​	​	​	​	​	​	​
​	​	​	​	​	​	​
​	​	December 31, 2021		​	March 31, 2021
​	​	(In thousands)
Accounts receivable, net:	​	​	​	​	​	​
Accounts receivable		$	3,083		$	3,785
Less: Allowances for doubtful accounts and other	​		(35)	​		(120)
​		$	3,048		$	3,665

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​	​	​	​	​	​	​
​	​	​	​	​	​	​
​	​	December 31, 2021		​	March 31, 2021
​	​	(In thousands)
Prepaid expenses and other current assets:	​	​	​	​	​	​
Prepaid tooling and masks	​	$	235	​	$	584
Other receivables	​	​	257	​	​	291
Other prepaid expenses and other current assets	​	​	1,859	​	​	612
​	​	$	2,351	​	$	1,487

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​	​	​	​	​	​	​
​	​	​	​	​	​	​
​	​	December 31, 2021		​	March 31, 2021
​	​	(In thousands)
Property and equipment, net:	​	​	​	​	​	​
Computer and other equipment	​	$	18,175	​	$	18,359
Software	​	​	4,426	​	​	4,097
Land	​	​	3,900	​	​	3,900
Building and building improvements	​	​	3,735	​	​	3,735
Furniture and fixtures	​	​	102	​	​	102
Leasehold improvements	​	​	878	​	​	877
​	​	​	31,216	​	​	31,070
Less: Accumulated depreciation	​	​	(23,904)	​	​	(23,742)
​	​	$	7,312	​	$	7,328

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Depreciation expense was $193,000 and $197,000 for the three months ended December 31, 2021 and 2020, respectively, and $577,000 and $787,000 for the nine months ended December 31, 2021 and 2020, respectively.

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The following tables summarize the components of intangible assets and related accumulated amortization balances at December 31, 2021 and March 31, 2021 (in thousands):

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​	​	​	​	​	​	​	​	​	​	​
​	​	As of December 31, 2021								​
​		Gross Carrying Amount			Accumulated amortization			Net Carrying Amount
Intangible assets:	​	​	​		​	​		​	​
Product designs	​	$	590	​	$	(590)	​	$	—	​
Patents	​	​	4,220	​	​	(2,139)	​	​	2,081	​
Software	​	​	80	​	​	(80)	​	​	—	​
Total	​	$	4,890	​	$	(2,809)	​	$	2,081	​

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​	​	​	​	​	​	​	​	​	​	​
​	​	As of March 31, 2021								​
​		Gross Carrying Amount			Accumulated Amortization			Net Carrying Amount
Intangible assets:	​	​	​	​	​	​	​	​	​	​
Product designs	​	$	590	​	$	(590)	​	$	—	​
Patents	​	​	4,220	​	​	(1,964)	​	​	2,256	​
Software	​	​	80	​	​	(80)	​	​	—	​
Total	​	$	4,890	​	$	(2,634)	​	$	2,256	​

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Amortization of intangible assets included in cost of revenues was $58,000 and $58,000 for the three months ended December 31, 2021 and 2020, respectively, and $175,000 and $175,000 for the nine months ended December 31, 2021 and 2020, respectively.

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As of December 31, 2021, the estimated future amortization expense of intangible assets in the table above is as follows (in thousands):

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​	​	​	​
Fiscal year ending March 31,		​	​
2022 (Remaining three months)	​	$	58
2023	​	​	233
2024	​	​	233
2025	​	​	233
2026	​	​	233
Thereafter	​	​	1,091
Total	​	$	2,081

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​	​	​	​	​	​	​
​	​	​	​	​	​	​
​	​	December 31, 2021		​	March 31, 2021
​	​	(In thousands)
Accrued expenses and other liabilities:	​	​	​	​	​	​
Accrued compensation	​	$	4,502	​	$	4,173
Accrued commissions	​	​	203	​	​	217
Income taxes payable	​	​	100	​	​	198
Miscellaneous accrued expenses	​	​	822	​	​	932
​	​	$	5,627	​	$	5,520

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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://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-URI http://asc.fasb.org/topic&trid=2122208

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