Just go in and take something worth what they owe you and sell it to the highest bidder. lol.. The BBB is useless its a subscribed organization that has nothing to do with employer/employee relations. If the sum isnt too much you can sue in small claims wer eif they dont show you win judgement and then hire a collection agency to put lien on him til he pays or sells out either way you get your money.
Third option is start going to his home. Nobody wants their problems following them around.
Mak ehim get a restraining order against you or he pays you one of the 2. Fourth picket the business saying he has refused to pay his employees and treats them unfairly.
Fifth, call the newspapers and the local news. See if you can get a reporter to come out.
Sixth if all else fails block his car in with yours and demand your check.Last but not least if all has failed and you just have had it the baseball bat, just dont get caught and dont kill him.