XML 37 R24.htm IDEA: XBRL DOCUMENT

Subsequent Events	12 Months Ended
Subsequent Events	Dec. 31, 2016
Subsequent Events [Abstract]
Subsequent Events	17. Subsequent Events During 2017, pursuant to the terms of the Hyperspring Purchase Agreement, GSE Performance paid the Sellers an additional $0.9 million based on EBITDA thresholds for the 12-month period ended November 13, 2016.