That was an out of sequence trade...happens sometimes. It was a trade that got filled earlier and hung up in the system. Thats how I understand it anyway.
17:13:57 15000 0.077 + OTCBB ?1 (SF) 16:00:42 12650 0.0716 - OTCBB T (F) 16:00:33 10000 0.0716 - OTCBB T (F) 16:00:24 2000 0.0718 - OTCBB T (F)
?1 (Z) Sold last sale (S) Out of sequence (F) Informational