| BALANCE SHEET INFORMATION |
BALANCE SHEET INFORMATION Certain significant amounts included in the Company's consolidated balance sheets consist of the following (in thousands):
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| Manufacturing inventories |
March 31, |
|
2021 |
|
2020 |
| Finished goods |
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| Manufactured finished goods |
$ |
12,452 |
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|
$ |
15,790 |
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| Distributor inventory |
238 |
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|
504 |
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| Total finished goods |
12,690 |
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|
16,294 |
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| Work in progress |
2,074 |
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|
1,001 |
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| Raw materials |
9,703 |
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|
11,901 |
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| Total manufacturing inventories |
$ |
24,467 |
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$ |
29,196 |
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| Service inventories |
March 31, |
|
2021 |
|
2020 |
| Finished goods |
$ |
18,773 |
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|
$ |
15,845 |
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| Component parts |
4,648 |
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|
4,657 |
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| Total service inventories |
$ |
23,421 |
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$ |
20,502 |
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| Property and equipment, net |
March 31, |
|
2021 |
|
2020 |
| Machinery and equipment |
$ |
38,027 |
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$ |
33,804 |
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| Leasehold improvements |
7,080 |
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|
6,733 |
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| Furniture and fixtures |
847 |
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|
1,862 |
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| Software |
300 |
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— |
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| |
46,254 |
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|
42,399 |
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| Less: accumulated depreciation |
(36,203) |
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|
(33,353) |
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| Total property, plant and equipment, net |
$ |
10,051 |
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|
$ |
9,046 |
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Depreciation and amortization expense for property and equipment amounted to $5.7 million, $4.3 million, and $4.3 million for the years ended March 31, 2021, 2020, and 2019, respectively.
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| Other accrued liabilities |
March 31, |
|
2021 |
|
2020 |
Accrued expenses |
$ |
6,799 |
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$ |
3,338 |
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Asset retirement obligation |
2,906 |
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|
1,655 |
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Accrued warranty |
2,383 |
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|
2,668 |
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Accrued interest |
57 |
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|
3,192 |
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Other |
6,029 |
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|
6,682 |
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| Total other accrued liabilities |
$ |
18,174 |
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|
$ |
17,535 |
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The following table details the change in the accrued warranty balance (in thousands):
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Year Ended March 31, |
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2021 |
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2020 |
|
2019 |
| Balance as of April 1 |
$ |
2,668 |
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|
$ |
3,456 |
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|
2,422 |
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| Current period accruals |
4,699 |
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|
3,516 |
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|
5,766 |
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| Adjustments to prior estimates |
(472) |
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|
(114) |
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|
326 |
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| Charges incurred |
(4,512) |
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|
(4,190) |
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|
(5,058) |
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| Balance as of March 31 |
$ |
2,383 |
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|
$ |
2,668 |
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$ |
3,456 |
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