The dash balance of Xe-8 (where X is a number value) is a display issue. Essentially it means that your balance currently holds a small amount of assets. Xe-8 = 0.0000000X Dash (5e-8 = 0.00000005 Dash, 2e-8 = 0.00000002 Dash etc.)
To solve this display issue, simply do a cache reset.