You probably know Green Mountain and its single-cup Keurig coffeemaker and accompanying K-cup pods to go with it. Well, on top of the Securities and Exchange Commission inquiry launched Tuesday, the details of which are not yet know by even the company, we also heard that GMCR disclosed a $4.4 million accounting error. "Apparently the company had been overstating its consolidated inventory and understating its cost of sales by a tiny amount for the last four years," Cramer said.