He brought about a dozen tube tops to his boss. “I put [them] on the counter and a couple of customers came and started fighting over them.” Soon, the budding designer had his own business. “It just took off.” The designer is the subject of a new documentary, “The United States of Elie Tahari,” now available to view on Vimeo through the end of the month. It chronicles Tahari’s career path, which reads like the traditional American dream: After moving from Israel to NYC with $100 in his pocket, and subsequently sleeping on Central Park benches, before establishing a global brand that sold at 600 stores in 40 countries.