Quarterly report pursuant to Section 13 or 15(d)

Subsequent Event - Additional Information (Detail)

v3.19.2
Subsequent Event - Additional Information (Detail)
Aug. 08, 2019
Subsequent Event [Member] | TAR Holdings [Member] | Seachange International, Inc [Member] | Maximum [Member]  
Subsequent Event [Line Items]  
Ownership percentage 25.00%