It grows the size of your trade, either via time or $. So it doesn't become oversized I would pick time. Issue with this strategy is that you don't get out unless it recovers. I'd shoot for a strategy that lowers the strike even if that means more time. So you have March expiration still at $20 strike?
Assuming yes, they are currently trading at around $11.80 that means a very high delta, there is no premium left in that option. So you have no theta decay working in your favor because they are too deep in the money. Looking at options chain you are in a tight spot because there is no way to get into the juicy premium without getting closer to the strike and you can't do that unless you realize part of this loss, ie you roll them into a lower strike and pay the $5-6/contract now.
This still could potentially get you out of the trade with near half the loss, without the stock recovering that much. If you want to avoid taking the stock and manage the option position you have to over the months continue to make sure you have a lot of premium in the option and not just sitting in a .94 delta position because at that point you should just hold the equity and sell calls.