On second glance it looks like Engineering was the real culprit.
Income from operations for the three months ended December 31, 2016 decreased by $279,698 due mostly from reduced sales of $112,737, and increases in insurances of $17,591 and increased consulting and engineering and regulatory expenses of $126,405. Selling, general, and administrative expenses increased by $48,486 or 13%, from $385,226 to $433,712 mainly due to increases of $17,591 in insurances, $126,405 in engineering and regulatory expenses, and $31,518 in repairs and maintenance, offset by a decrease of $136,166 in royalties.
Increase in engineering costs, increase in insurance, increase in repairs and maintenance and decrease in royalties.
Basically a shit quarter but the ceo has been putting out pumpy pr's on a weekly basis. Should have known better.
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