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Payments To Acquire Variable Interest Entity

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Exercise price per share or per unit of warrants or rights outstanding.

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Number of securities into which the class of warrant or right may be converted. For example, but not limited to, 500,000 warrants may be converted into 1,000,000 shares.

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The percentage of ownership of common stock or equity participation in the investee accounted for under the equity method of accounting.

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The cash outflow for debt initially having maturity due after one year or beyond the normal operating cycle, if longer.

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Amount, excluding tax collected from customer, of revenue from satisfaction of performance obligation by transferring promised good or service to customer. Tax collected from customer is tax assessed by governmental authority that is both imposed on and concurrent with specific revenue-producing transaction, including, but not limited to, sales, use, value added and excise.

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The number of shares issued or sold by the subsidiary or equity method investee per stock transaction.

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Percentage of the Variable Interest Entity's (VIE) voting interest owned by (or beneficial interest in) the reporting entity (directly or indirectly).

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Period between issuance and expiration of outstanding warrant and right embodying unconditional obligation requiring redemption by transferring asset at specified or determinable date or upon event certain to occur, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days.

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Subsequent Events (Details) $ / shares in Units, $ in Thousands						1 Months Ended		3 Months Ended
	Aug. 13, 2021 USD ($) $ / shares shares	Aug. 01, 2021 JPY (¥)	Jul. 16, 2021 USD ($)	Mar. 31, 2021 USD ($) $ / shares shares	Dec. 23, 2020 USD ($) $ / shares shares	Apr. 30, 2021 USD ($) shares	Feb. 27, 2020 USD ($) $ / shares shares	Jun. 30, 2021 USD ($)	Jun. 30, 2020 USD ($)	Jul. 31, 2021	Dec. 31, 2020	Feb. 12, 2020 $ / shares
Subsequent Event [Line Items]
Revenue from product and license fees								$ 3,216	$ 6,329
Common Stock
Subsequent Event [Line Items]
Number of shares sold in private placement offering (in shares) \| shares						97,099
Price per share (in dollars per share) \| $ / shares												$ 4.00
Aggregate gross proceeds from closing of offering						$ 500
Private Placement \| Common Stock
Subsequent Event [Line Items]
Number of shares sold in private placement offering (in shares) \| shares				250,000	5,000,000		5,380,000
Price per share (in dollars per share) \| $ / shares				$ 4.00	$ 3.00		$ 4.00
Aggregate gross proceeds from closing of offering				$ 1,000	$ 15,000		$ 21,500
Exercise price (in usd per share) \| $ / shares					$ 3.30
Private Placement \| Warrant
Subsequent Event [Line Items]
Number of common stock issuable from warrants (in shares) \| shares					150,000
Subsequent Event \| GaNovation
Subsequent Event [Line Items]
Percentage of voting interest acquired										100.00%
Subsequent Event \| Private Placement
Subsequent Event [Line Items]
Aggregate gross proceeds from closing of offering	$ 5,000
Exerciseable period of warrants	3 years
Subsequent Event \| Private Placement \| Common Stock
Subsequent Event [Line Items]
Number of shares sold in private placement offering (in shares) \| shares	1,000,000
Price per share (in dollars per share) \| $ / shares	$ 5.00
Subsequent Event \| Private Placement \| Warrant
Subsequent Event [Line Items]
Number of common stock issuable from warrants (in shares) \| shares	209,000
Exercise price (in usd per share) \| $ / shares	$ 6.00
GaNovation
Subsequent Event [Line Items]
Ownership percentage											25.00%
Aizu Fajitsu Semiconductor Wafer Solution Limited
Subsequent Event [Line Items]
Ownership percentage in entity								49.00%
Aizu Fajitsu Semiconductor Wafer Solution Limited \| Subsequent Event
Subsequent Event [Line Items]
Ownership percentage in entity		25.00%
JCP Capital Management
Subsequent Event [Line Items]
Ownership percentage											75.00%
GaNovation \| Aizu Fajitsu Semiconductor Wafer Solution Limited \| Subsequent Event
Subsequent Event [Line Items]
Percentage of ownership acquired		49.00%
Payment for acquisition \| ¥		¥ 1
Term of agreement to maintain and continue AFSW		1 year
License and Service
Subsequent Event [Line Items]
Revenue from product and license fees								$ 0	$ 5,000
License and Service \| Subsequent Event
Subsequent Event [Line Items]
Revenue from product and license fees			$ 8,000
Tranche B Loan \| Subsequent Event
Subsequent Event [Line Items]
Repayment of Nexperia debt			$ 8,000