I hope people don't put blame into btc or any sort. This involves only the company and I'm sure funds can be returned if gone through proper channel since they are registered business operation.
The problem is that Bitcoin businesses tend to speculate in Bitcoin, which has been a lose for 18 months now. This can take down their main business unless they have a lot of financial strength, which they usually don't.
Again, if they owe you and aren't paying, file suit
NOW. Do not wait. Do not assume things will get better. They seldom do.