Wright Investors Service Holdings, Inc. 10-K/A

AMENDMENT NO. 1

EXHIBIT 31.1

EXHIBIT 31.2

XBRL SCHEMA FILE

XBRL LABEL FILE

XBRL PRESENTATION FILE

IDEA: XBRL DOCUMENT

IDEA: XBRL DOCUMENT

IDEA: XBRL DOCUMENT

IDEA: XBRL DOCUMENT

IDEA: XBRL DOCUMENT

IDEA: XBRL DOCUMENT

IDEA: XBRL DOCUMENT

IDEA: XBRL DOCUMENT