palaeonopsis top leaf turned brown and fell off

[Sndpapr1]

Hi all,
I received a palaeonopsis last year around June 2013. When I recevd the plant it had atleast 6 beautiful hot pink colored flowers. Within 2 months, all of the flowers and the 3 new buds all fell off.
Just to get you caught up-I have watered the plant with orchid food fertilizer since day one. I have always used the precaution of immersing it in fertilizer water for 10 minutes, taking it out then straining all of the water out of the clear container it sits in. I know I made a mistake many months ago by getting the very middle top leaf wet, so inadvertently it turned brown, shriveled up and fell off. Does that mean that I should throw the plant away, since the main lifeline is dead? Plus, it hasn't flowered since last June. Shouldn't they bloom from winter through spring? There is now new growth. It just looks like a dead tree. The leaves are beautifully dark green, and the stems are still darker green. no spikes or buds since last June.
Any advice would be great...I hope I was specific enough.
Thanks so much,
Sandi