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Income Taxes - Schedule of Deferred Tax Assets and Liabilities (Detail) - USD ($) $ in Thousands | Mar. 31, 2019 | Mar. 31, 2018
--- | --- | ---
Deferred tax assets: |  |
Accounts receivable | $ 1,297 | $ 1,790
Inventories | 4,081 | 3,660
Net operating loss carryforwards | 48,423 | 50,928
Accrued expenses | 21,574 | 21,274
Deferred Tax Assets, Deferred Expense, Capitalized Research and Development Costs | 7,061 | 0
Other assets | 17,656 | 16,832
Gross deferred tax assets | 100,092 | 94,484
Less valuation allowance | (17,519) | (15,255)
Total deferred tax assets | 82,573 | 79,229
Deferred tax liabilities: |  |
Property, plant and equipment | 25,656 | 21,045
Intangible assets | 96,826 | 46,058
Other liabilities | 1,737 | 1,331
Total deferred tax liabilities | 124,219 | 68,434
Deferred Tax Liabilities, Net | $ (41,646) |
Net deferred tax assets |  | $ 10,795

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