pre_text: The components of deferred tax assets and liabilities are as follows (amounts in thousands): (1) March 31, 2018 adjusted due to the adoption of ASC 606.
table: March 31,
table: 2019 2018
table: Deferred tax assets:
table: Net operating loss carry forwards $78,986 $115,064
table: Sales allowances and inventory reserves 10,967 9,675
table: Medical and employee benefits 35,298 38,572
table: Depreciation and differences in basis 5,318 6,241
table: Accrued restructuring 469 2,551
table: Anti-trust fines and settlements 910 16,575
table: Tax credits 3,394 4,208
table: Stock-based compensation 5,589 1,765
table: Other(1) 1,342 2,812
table: Total deferred tax assets before valuation allowance 142,273 197,463
table: Less valuation allowance (58,658) (171,401)
table: Total deferred tax assets 83,615 26,062
table: Deferred tax liabilities:
table: Unremitted earnings of subsidiaries (21,850) (11,678)
table: Amortization of intangibles and debt discounts (11,996) (14,054)
table: Non-amortized intangibles (1,551) (1,551)
table: Total deferred tax liabilities (35,397) (27,283)
table: Net deferred tax assets (liabilities) $48,218 $(1,221)
question: Analyse this data from a financial earnings document. What was the change in the total deferred tax assets between 2018 and 2019?