Even after posting a major miss on earnings and revenue, Tesla Motors CEO Elon Musk is confident buyers will step up in 2015. TheStreet's Jim Cramer says Musk has over promised so much and under delivered so badly that he can't take him seriously. Musk told analysts Tesla's revenue this year could double to $6 billion from $3 billion in 2014. The electric car maker reported a widened quarterly loss of $108 million, which was worse than analysts expected, as sales of its cars fell short of already lowered forecasts. Tesla delivered a total of 9,834 model S sedans for the quarter - that's well below Musk's own earlier forecast of 13,000. Cramer says he's considering Musk for the CEO Wall of Shame.