The manufacturing process for the pre-cooler technology is already proven, but investors will be looking to see that the module has a stable operation and can meet the promised performance.
The LED light is a semiconductor chip that requires another chip, called an LED driver, to supply stable power to LEDs, improve electrical efficiency and regulate performance.
It fit with Merrill's other operations, was a relatively stable source of income, and probably would have begun to grow again as word of its improved performance spread around.