I can't remember how much it was but that's not that much compared to those actually addicted gamblers that would be fine losing $1k in just a single spin or roll.
the researchers found that gamblers are satisfied with small wins and will tolerate small losses but when they hit the threshold of loss, they will not play anymore.
Both are true, we're happy with small wins and that makes us content and want to gamble again sometime. And when we lose, it's the temporary halt that we have to make but after moving on, we'll gamble again from that loss.
As gamblers, losses are part in the game so even if we have endure a huge loss, the chance is we will still be gambling again not that we want to chase the losses, but because we want to have more fun in gambling. Even if we say that we have reached already the threshold of loss, for me its very normal. After taking time to rest, then there will come a time that you're excited to gamble again with a small hope that you'll be lucky this time.