Juwan Howard, Jr.'s jumper with 3:08 left gave Detroit a 68-65 lead, but it was the Titans' final field goal.
Detroit (8-10, 1-2 Horizon) led by eight at the half and a Howard jumper pushed the lead to 10 points early in the second half.
Mondy scored 15 of his 18 points in the second half and was 4 of 4 from the line with a jumper in the final 19 seconds to secure the win.
Corey Petros led the Golden Grizzlies (7-12, 2-2) with 23 points and 13 rebounds. Bader and Kahlil finished with 14 and 12 points, respectively.
Howard and Evan Bruinsma had 15 and 14 points, respectively, for Detroit.