Quarterly report pursuant to Section 13 or 15(d)

Document and Entity Information

Document and Entity Information
6 Months Ended
Mar. 31, 2019
Document And Entity Information [Abstract]  
Document Type 10-Q
Amendment Flag false
Document Period End Date Mar. 31, 2019
Document Fiscal Year Focus 2019
Document Fiscal Period Focus Q2
Entity Registrant Name GIGCAPITAL, INC.
Entity Central Index Key 0001719489
Current Fiscal Year End Date --09-30
Entity Filer Category Accelerated Filer
Trading Symbol GIG
Entity Small Business true
Entity Emerging Growth Company true
Entity Ex Transition Period false
Entity Common Stock, Shares Outstanding 18,462,006