7. Operating expenses

Certain prior period operating expenses have been reclassified to conform with current year presentation.

Costs of services, excluding depreciation and amortization



Three months ended March 31,		2017		2016
Employee compensation expenses	$	5,476	$	6,258
Buildings, facilities and technology expenses		1,546		2,295
Travel, advertising and promotion expenses		4,656		5,937
Other costs of services		1,135		823
	$	12,813	$	15,313

SG&A expenses



Three months ended March 31,		2017		2016
Employee compensation expenses	$	44,455	$	44,011
Buildings, facilities and technology expenses		12,270		11,236
Travel, advertising and promotion expenses		6,586		5,530
Professional fees		3,100		2,766
Other SG&A expenses		4,164		3,567
	$	70,575	$	67,110

7. Operating expenses (continued)

Acquisition-related costs



Three months ended March 31,		2017		2016
IronPlanet	$	7,691	$	-
Mascus: (note 22)
Continuing employment costs		156		173
Other acquisition-related costs		-		718
Xcira:
Continuing employment costs		381		306
Petrowsky: (note 22)
Continuing employment costs		212		-
Kramer: (note 22)
Continuing employment costs		115		-
Other acquisition-related costs		72		-
	$	8,627	$	1,197

Depreciation and amortization expenses