Amount awarded to other party in judgment or settlement of litigation.

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Amount of litigation expense, including but not limited to legal, forensic, accounting, and investigative fees.

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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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States the date the complaint was formally filed in a court of law, in arbitration or mediation.

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Reference 1: http://www.xbrl.org/2003/role/presentationRef
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Amount of receivable related to a loss contingency accrual that is expected to be collected within one year or the normal operating cycle, if longer. For example, an insurance recovery receivable.

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Amount of cash inflow for proceeds from settlement of insurance claim, classified as operating activities. Excludes insurance settlement classified as investing activities.

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Reference 1: http://www.xbrl.org/2003/role/presentationRef
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Percentage of defense costs covered by insurance.

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COMMITMENTS AND CONTINGENCIES (Details Textual) $ in Millions			3 Months Ended		9 Months Ended		12 Months Ended
	Nov. 06, 2012	Aug. 03, 2012	Sep. 30, 2018 USD ($)	Sep. 30, 2017 USD ($)	Sep. 30, 2018 USD ($)	Sep. 30, 2017 USD ($)	Dec. 31, 2017 USD ($)	Dec. 31, 2017 CAD ($)	Dec. 31, 2017 CAD ($)
Loss Contingencies [Line Items]
Legal settlement expense			$ 0	$ 4,009,000	$ 0	$ 4,009,000
Percentage of defense costs which will be covered by insurance					50.00%
Receivable			0		$ 0		$ 212,000
First Lawsuit by AGF
Loss Contingencies [Line Items]
Lawsuit filing date		On August 3, 2012, AGF Management Limited and AGF Investments Inc. (collectively, “AGF”) filed a lawsuit in the Ontario Superior Court of Justice against Westwood, certain Westwood employees and the executive recruiting firm of Warren International, LLC (“Warren”).
One-time litigation payment								$ 10.0
Legal settlement expense							4,000,000	$ 5.0
Insurance proceeds					4,000,000
Receivable			$ 0		$ 0		$ 4,000,000		$ 5.0
Second Lawsuit by AGF
Loss Contingencies [Line Items]
Lawsuit filing date	on November 6, 2012, AGF filed a second lawsuit against Westwood, Westwood Management and an employee of Westwood International.