Operating income rose 53% to $9.5 million, or 7.8% of net sales, compared with $6.2 million, or 5.4% of net sales, in the prior-year quarter. GAAP net income attributable to common shareholders was $5.1 million, or $0.28 per diluted share, up from $4.7 million, or $0.25 per diluted share, a year earlier. Adjusted EBITDA increased to $14.6 million from $11.0 million.Profitability improved alongside higher sales. Gross margin increased 116 basis points to 73.2% from 72.1% a year earlier. Jones attributed the ...