Related Party Transactions - Additional Information (Detail) - Dialog Semiconductor Plc [Member] - USD ($) |
3 Months Ended | 8 Months Ended |
---|---|---|
Mar. 31, 2018 |
Jun. 28, 2017 |
|
Related Party Transaction [Line Items] | ||
Equity method investment, ownership percentage | 7.00% | |
Percentage of common shares potentially own outstanding shares | 12.00% | |
Research and Development Expense [Member] | ||
Related Party Transaction [Line Items] | ||
Payments for fees | $ 43,700 | |
Private Placements [Member] | ||
Related Party Transaction [Line Items] | ||
Stock issued during period, shares, new issues | 1,739,691 | |
Private Placements [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 |
X | ||||||||||
- 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://www.xbrl.org/2003/role/presentationRef
|
X | ||||||||||
- 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://www.xbrl.org/2003/role/presentationRef
|
X | ||||||||||
- Definition Amount of cash outflow for fees classified as other. Reference 1: http://www.xbrl.org/2003/role/presentationRef
|
X | ||||||||||
- 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.
|
X | ||||||||||
- Definition Number of new stock issued during the period. Reference 1: http://www.xbrl.org/2003/role/presentationRef
|
X | ||||||||||
- Definition Percentage of common shares potentially own outstanding shares of during the period. No definition available.
|
X | ||||||||||
- Details
|
X | ||||||||||
- Details
|
X | ||||||||||
- Details
|
X | ||||||||||
- Details
|