Related Party Transactions - Additional Information (Detail) - USD ($) |
8 Months Ended | 12 Months Ended | |
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Jun. 28, 2017 |
Dec. 31, 2018 |
Dec. 31, 2017 |
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Strategic Alliance Agreement [Member] | |||
Related Party Transaction [Line Items] | |||
Revenue | $ 5,773 | $ 0 | |
Dialog Semiconductor Plc [Member] | |||
Related Party Transaction [Line Items] | |||
Equity method investment, ownership percentage | 6.60% | ||
Percentage of common shares potentially own outstanding shares | 11.30% | ||
Dialog Semiconductor Plc [Member] | Research and Development Expense [Member] | |||
Related Party Transaction [Line Items] | |||
Payments for fees | $ 79,550 | $ 516,725 | |
Private Placements [Member] | Dialog Semiconductor Plc [Member] | |||
Related Party Transaction [Line Items] | |||
Stock issued during period, shares, new issues | 1,739,691 | ||
Private Placements [Member] | Dialog Semiconductor Plc [Member] | Warrant Issued to Private Investors [Member] | |||
Related Party Transaction [Line Items] | |||
Class of warrant or right, number of securities called by warrants or rights | 1,417,565 |
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- Definition 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. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition The percentage of ownership of common stock or equity participation in the investee accounted for under the equity method of accounting. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition Amount of cash outflow for fees classified as other. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. No definition available.
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- Definition 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. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition Number of new stock issued during the period. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition Percentage of common shares potentially own outstanding shares of during the period. No definition available.
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