SeaChange International, Inc. Quarterly report pursuant to Section 13 or 15(d)

Fair Value Measurements - Summary of Marketable Securities by Security Type (Detail)

v3.19.1

Fair Value Measurements - Summary of Marketable Securities by Security Type (Detail) - USD ($) $ in Thousands	Apr. 30, 2019	Jan. 31, 2019
Schedule of Available-for-Sale Securities [Line Items]
Amortized Cost	$ 9,613	$ 10,364
Gross Unrealized Gains	44	17
Gross Unrealized Losses	(13)	(22)
Fair Value	9,644	10,359
U.S. Treasury Notes and Bonds [Member]
Schedule of Available-for-Sale Securities [Line Items]
Amortized Cost	6,306	7,055
Gross Unrealized Gains	44	17
Fair Value	6,350	7,072
U.S. Agency Bonds [Member]
Schedule of Available-for-Sale Securities [Line Items]
Amortized Cost	1,001	1,001
Gross Unrealized Losses	(6)	(9)
Fair Value	995	992
Corporate Bonds [Member]
Schedule of Available-for-Sale Securities [Line Items]
Amortized Cost	2,306	2,308
Gross Unrealized Losses	(7)	(13)
Fair Value	$ 2,299	$ 2,295

- Definition

Amount, before tax, of unrealized gain in accumulated other comprehensive income (AOCI) on investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale).

+ References

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Amount, before tax, of unrealized loss in accumulated other comprehensive income (AOCI) on investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale).

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Amortized cost of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale).

+ References

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Amount of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale).

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