People don't show up after hours because they don't know that they are open later (on the few occasions they may have tried it). They need to advertise that they will be open certain hours starting on whatever date they choose - even if expanded hours are only a few nights per week.

You can't be afraid for things to change - yet another problem we have here in Columbia with regards to growth and development. In business you have to take somewhat of a gamble and give it a try. You can't just do nothing and expect results. --Kathryn Miller