"We have absolutely no idea how much inventory we have at the manufacturing facilitie."
FALSE.
Check page 12 of the last 10Q. Raw materials doubled from 4Q 2016 to Q1 2017. ($350,000 to $717,000) Work in Progress was Zero in 3Q 2016 and then rose to $25,000 in 4Q 2016 then rose to $43,000 in q1 2017). The WIP is entirely new and indicates some work or test runs being done.