You may want to break that order to 50,000 blocks.
$0.0153 1,600 OTO 09:41:28 $0.0141 60,000 OTO 09:36:15 $0.0142 36,000 OTO 09:31:17 $0.0142 50,000 OTO 05/02
As you can see the availability is there and the share sales are their. You simply need to adjust the way you trade the stock if you wish to pick up shares on the bid.
People are picking up 10x what you wish to buy. They simply configure their orders to fill in a more timely manor.