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INCOME TAXES (Tables) | 12 Months Ended
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Mar. 31, 2017
Income Tax Disclosure [Abstract] |
Schedule of pre-tax income (loss) | Pre-tax income (loss) reflected in the Consolidated Statements of Operations for the years ended March 31, 2017, 2016 and 2015 is as follows (in thousands):
| For the year ended March 31,
| 2017 |  | 2016 |  | 2015
U.S. | $ | 1,268 |  |  | $ | (78,956 | ) |  | $ | 13,830 |
Foreign | 3,489 |  |  | 3,745 |  |  | 3,971 |
| $ | 4,757 |  |  | $ | (75,211 | ) |  | $ | 17,801 |
Schedule of income tax provision | Income tax provision consists of the following (in thousands):
| For the year ended March 31,
| 2017 |  | 2016 |  | 2015
Federal: | $ | (421 | ) |  | $ | (401 | ) |  | $ | (138 | )
State: |  |  |  |  |
Current | 75 |  |  | 52 |  |  | 125 |
Foreign: |  |  |  |  |
Current | 1,555 |  |  | 1,591 |  |  | 890 |
Deferred | (97 | ) |  | (59 | ) |  | (159 | )
Total foreign | 1,458 |  |  | 1,532 |  |  | 731 |
Income tax provision | $ | 1,112 |  |  | $ | 1,183 |  |  | $ | 718 |
Schedule of federal income tax rate reconciliation | The income tax provision differs from the amount computed by applying the federal statutory rate of 35% to income (loss) before income taxes as follows (in thousands):
| For the year ended March 31,
| 2017 |  | 2016 |  | 2015
Expense (benefit) at federal statutory rate | $ | 1,665 |  |  | $ | (26,324 | ) |  | $ | 6,230 |
Permanent items | 714 |  |  | 20,597 |  |  | 622 |
Foreign taxes | 1,353 |  |  | 974 |  |  | 628 |
State income taxes | 75 |  |  | 53 |  |  | 125 |
Unbenefited (Benefited) losses and credits | (2,379 | ) |  | 5,726 |  |  | (6,852 | )
Credit monetization | (421 | ) |  | (401 | ) |  | (138 | )
Other | 105 |  |  | 558 |  |  | 103 |
Income tax provision | $ | 1,112 |  |  | $ | 1,183 |  |  | $ | 718 |
Schedule of components of deferred tax assets and liabilities | Significant components of deferred tax assets and liabilities are as follows (in thousands):
| As of March 31,
| 2017 |  | 2016
Deferred tax assets: |  |  |
Inventory valuation method | $ | 1,964 |  |  | $ | 2,025 |
Accrued warranty expense | 1,256 |  |  | 1,320 |
Distribution reserves | 5,364 |  |  | 3,898 |
Loss carryforwards | 87,579 |  |  | 108,576 |
Tax credits | 131,939 |  |  | 132,054 |
Restructuring charge accruals | 520 |  |  | 1,054 |
Deferred revenue | 17,592 |  |  | 16,739 |
Other accruals and reserves not currently deductible for tax purposes | 11,414 |  |  | 11,917 |
| 257,628 |  |  | 277,583 |
Less valuation allowance | (202,991 | ) |  | (224,661 | )
Deferred tax asset | $ | 54,637 |  |  | $ | 52,922 |
Deferred tax liabilities: |  |  |
Depreciation | $ | (3,906 | ) |  | $ | (3,962 | )
Acquired intangibles | (11,485 | ) |  | (8,244 | )
Tax on unremitted foreign earnings | (16,571 | ) |  | (16,549 | )
Other | (21,558 | ) |  | (23,147 | )
Deferred tax liability | $ | (53,520 | ) |  | $ | (51,902 | )
Net deferred tax asset | $ | 1,117 |  |  | $ | 1,020 |
Reconciliation of gross unrecognized tax benefits | A reconciliation of the gross unrecognized tax benefits follows (in thousands):
| For the year ended March 31,
| 2017 |  | 2016 |  | 2015
Beginning balance | $ | 32,860 |  |  | $ | 32,449 |  |  | $ | 32,449 |
Settlement and effective settlements with tax authorities and related remeasurements | (411 | ) |  | — |  |  | — |
Increase in balances related to tax positions taken in prior period | 243 |  |  | 411 |  |  | — |
Ending balance | $ | 32,692 |  |  | $ | 32,860 |  |  | $ | 32,449 |

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