Liquidmetal Technologies Inc (LQMT)

[Full4God]

LQMT.OB changed to LQMT.PK?

I noticed on Liquidmetal's Weekly Summary Alert today that the company listed their stock symbol as "LQMT.PK." I thought LQMT had been listed with an ".OB" suffix, one step above ".PK." Right? And should this matter? Appreciate any clarification...thanks!