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Long-term Investment - Additional Information (Detail) - USD ($) $ in Thousands		1 Months Ended
	Mar. 31, 2020	Jul. 31, 2021	May 31, 2021	Jun. 30, 2018
Simple Agreement For Future Equity [Member]
Schedule of Equity and Cost Investments [Line Items]
Invested in common stock	$ 2,000		$ 1,500
Deep Vision, Inc (Deep Vision)
Schedule of Equity and Cost Investments [Line Items]
Invested in common stock				$ 3,000
BIWIN Storage Technology Corp.(BIWIN) [Member]
Schedule of Equity and Cost Investments [Line Items]
Invested in common stock		$ 2,041

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- Definition

The cash outflow for securities or other assets acquired, which qualify for treatment as an investing activity and are to be liquidated, if necessary, beyond the current operating cycle. Includes cash flows from securities classified as trading securities that were acquired for reasons other than sale in the long-term.

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- Definition

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