Sales increase 5.1% year-over-year to US$53.6 million
Bookings improve 9.2% year-over-year to US$59.7 million, book-to-bill ratio of 1.11
Gross margin reaches 64.7%, highest level in four years
Adjusted EBITDA totals US$5.3 million, 9.9% of sales
QUEBEC CITY, March 29, 2016 /CNW…