XML 39 R76.htm IDEA: XBRL DOCUMENT v3.19.3.a.u2
Stock-Based Compensation and Employee Benefit Plans - Summary of the Activity under the Chip Stock Option Plans (Detail) - Vi Chip Plan [Member]
12 Months Ended
Dec. 31, 2019
$ / shares
shares
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]  
Options Outstanding, Beginning balance | shares 10,414,000
Options transferred in merger with Vicor | shares (10,414,000)
Weighted Average Exercise Price, Beginning balance | $ / shares $ 0.96
Weighted Average Exercise Price, Exercised | $ / shares $ 0.96