| Details of Certain Consolidated Balance Sheet Captions |
DETAILS OF CERTAIN CONSOLIDATED BALANCE SHEET CAPTIONS Accounts receivable, net consists of the following (in thousands):
| | | | | | | | | | | | | | | | | | March 31, | | | | | | 2019 | | 2018 | | Accounts receivable trade | | $ | 64,530 | | $ | 62,494 | | Other receivables | | 2,197 | | 1,904 | | | 66,727 | | 64,398 | | Less: Allowance for doubtful accounts | | (591) | | (1,015) | | Accounts receivable, net | | $ | 66,136 | | $ | 63,383 |
Inventories, net consist of the following (in thousands):
| | | | | | | | | | | | | | | | | | March 31, | | | | | | 2019 | | 2018 | | Raw materials and supplies | | $ | 20,267 | | $ | 21,855 | | Work in process | | 6,483 | | 3,756 | | Finished goods | | 31,876 | | 24,561 | | Total inventories | | 58,626 | | 50,172 | | Less: LIFO reserve | | (5,027) | | (5,511) | | Less: Obsolescence reserve | | (2,170) | | (1,687) | | Inventories, net | | $ | 51,429 | | $ | 42,974 |
Property, plant and equipment, net, consist of the following (in thousands):
| | | | | | | | | | | | | | | | | | March 31, | | | | | | 2019 | | 2018 | | Land and improvements | | $ | 3,106 | | $ | 3,365 | | Buildings and improvements | | 43,353 | | 44,341 | | Plant, office and laboratory equipment | | 68,982 | | 66,230 | | Construction in progress | | 3,746 | | 2,504 | | | 119,187 | | 116,440 | | Less: Accumulated depreciation | | (65,548) | | (61,967) | | Property, plant and equipment, net | | $ | 53,639 | | $ | 54,473 |
Depreciation of property, plant and equipment was $7.5 million, $7.7 million and $7.5 million for the years ended March 31, 2019, 2018 and 2017, respectively. Of these amounts, cost of revenues includes $6.1 million, $5.6 million and $5.2 million, respectively. Other assets consist of the following (in thousands):
| | | | | | | | | | | | | | | | | | March 31, | | | | | | 2019 | | 2018 | | Property held for investment (a) | | $ | 6,857 | | $ | 8,863 | | Deferred income taxes | | — | | 7,636 | | | | | | Retirement assets in excess of benefit obligations
| | 3,096 | | 3,334 | | Other | | 1,012 | | 4,125 | | Other assets | | $ | 10,965 | | $ | 23,958 |
(a) As of March 31, 2019 and 2018, $5.9 million and $6.2 million in assets were held for sale, respectively, in the "Elimination and Other" segment.
Accrued and other current liabilities consist of the following (in thousands):
| | | | | | | | | | | | | | | | | | March 31, | | | | | | 2019 | | 2018 | | Compensation and related benefits | | $ | 17,354 | | $ | 12,839 | | Rebates and marketing agreements | | 4,631 | | 2,892 | | Non-income taxes | | 675 | | 741 | | Income taxes payable | | 750 | | 768 | | Other accrued expenses | | 6,016 | | 6,261 | | Accrued and other current liabilities | | $ | 29,426 | | $ | 23,501 |
Other long-term liabilities consists of the following (in thousands):
| | | | | | | | | | | | | | | | | | March 31, | | | | | | 2019 | | 2018 | | Deferred income taxes | | $ | 3,256 | | $ | 2,360 | | Other | | 2,858 | | 2,361 | | Other long-term liabilities | | $ | 6,114 | | $ | 4,721 |
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