The AICPA, that's who!
Never one to forego an opportunity to sell CPE educate its members, the AICPA has collaborated with XBRL US to offer the XBRL US GAAP Certificate Program. What'd you say? "That sounds interesting, tell me more."? Okay!
[T]he certificate program provides finance and accounting professionals with the information and hands-on training they need to build high-quality XBRL-formatted financial statements using any software tool or working with any service provider.The XBRL US GAAP Certificate Program also provides finance and accounting professionals access to tagging simulations, which will help them apply the principles presented in each course using software widely available in the marketplace.The program consists of approximately thirty-five hours of online coursework (see sidebar).