FISH: The 10% 0f revenue reporting requirement is for the 10-Q/10-K reporting purposes. It is an SEC Rule adaption of of an accounting rule.
"Under SFAS No. 131, a company generally must report
separately information about an operating segment that meets any of the following thresholds:
* Its reported revenue, including both sales to external customers and intersegment sales and transfers, is 10 percent or more of the combined revenue of all reported operating segments, whether generated inside or outside of the company;[16]