Typo? From the early part of the filing at Edgar: ... 19,767,772 shares issued and 19,663,666 shares outstanding at December 31,2015; 16,589,848 shares issued and 16,527,054 shares outstanding at March 31, 2015
EDIT: Further, these are stated in thousands of shares ... Weighted average shares used to calculate basic and diluted net loss per common share (in shares) 17,824 16,512 16,975 16,366