Is that why your so bitter - so it took longer than expected - that's almost always the case with new technology.  Anyone investing here knew the risk - it's like any other company that way.  They've persevered though.  They have their 5th generation processor which appears to be better than anything else ever invented - it's success will be known shortly. 
Time to buy more shares if you believe they can average 2500 lb/hr. on a continuous basis.