Their ironic last tweet before shutting down: https://twitter.com/flexcoin/status/438355933777756160
PSA: Don't peacock.
Another bit of irony... http://i.imgur.com/KurgdXp.png
But seriously, sorry to those who lost coins here. Also sorry to the folks of flexcoin, the timing couldn't be worse. Can't say it enough; cold-wallets and private key that's exclusively in your possession.
Only you can prevent forest f- er...bitcoin thefts.