With the way they naked short the stock, then us putting GTC orders in will do nothing. I have a few thousand shares more than you, and have seen no effect of my putting the shares at $4 or $5. Does it really do anything?
If everyone put a GTC order in at $10 it would be interesting to see the effect. It would force those shares that are lent out to be covered. Couldn't hurt to try, but would take a concerted effect by the longs.