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Accumulated Other Comprehensive Income (Loss) (Tables) | 3 Months Ended
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Jun. 30, 2018
Accumulated Other Comprehensive Income (Loss) [Abstract] |
Accumulated Other Comprehensive Income (Loss) | The following summarizes changes in accumulated other comprehensive income (loss):
|  | Three Months Ended June 30, 2018 |  |  | Three Months Ended June 30, 2017 |
|  | Unrealized Gain on Short-Term Investments |  |  | Foreign Currency Translation |  |  | Total |  |  | Unrealized Gain on Short-Term Investments |  |  | Foreign Currency Translation |  |  | Total |
Balance at March 31, 2018 and 2017 |  | $ | 746,000 |  |  | $ | (6,174,000 | ) |  | $ | (5,428,000 | ) |  | $ | 528,000 |  |  | $ | (7,969,000 | ) |  | $ | (7,441,000 | )
Cumulative-effect adjustment [see Note 2] |  |  | (746,000 | ) |  |  | - |  |  |  | (746,000 | ) |  |  | - |  |  |  | - |  |  |  | - |
Balance at April 1, 2018 and 2017 |  | $ | - |  |  | $ | (6,174,000 | ) |  | $ | (6,174,000 | ) |  | $ | 528,000 |  |  | $ | (7,969,000 | ) |  | $ | (7,441,000 | )
Other comprehensive (loss) income, net of tax |  |  | - |  |  |  | (715,000 | ) |  |  | (715,000 | ) |  |  | 56,000 |  |  |  | 229,000 |  |  |  | 285,000 |
Amounts reclassified from accumulated other comprehensive loss, net of tax |  |  | - |  |  |  | - |  |  |  | - |  |  |  | - |  |  |  | - |  |  |  | - |
Balance at June 30, 2018 and 2017 |  | $ | - |  |  | $ | (6,889,000 | ) |  | $ | (6,889,000 | ) |  | $ | 584,000 |  |  | $ | (7,740,000 | ) |  | $ | (7,156,000 | )

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- Definition Tabular disclosure of the components of accumulated other comprehensive income (loss). + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section 45 -Paragraph 14A -URI http://asc.fasb.org/extlink&oid=114867106&loc=SL7669686-108580 + Details
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