Nintendo Co Ltd, 7974:TYO financials - FT.com
Nintendo does have about $9B USD in cash. And, if I'm reading this right, they've lost $234M USD so far in 2016. That's a ton of money they can burn through. Ultimately, I'd be more worried about investors panicking / trying something rash than the company going out of business.
Right now, I think they're trying to avoid becoming Sega. Hardware has small upside / a lot of downside (if your stuff doesn't sell). Sega learned this the hard way and was forced out of the hardware business. Without hardware, they didn't have a consistent buffer and they started to live / die on every big game launch. A couple misfires later, and now Sega is not doing too well, and making some poor licensing decisions to make quick cash. Sonic is an incredibly iconic character and hasn't been licensed out well at all.