Operating Expenses

3 Months Ended

Mar. 31, 2016

Operating Expenses [Abstract]

Operating Expenses

7.  Operating expenses

Costs of services, excluding depreciation and amortization

Three months ended March 31,		2016		2015
Employee compensation expenses	$	6,258	$	4,598
Buildings, facilities and technology expenses		2,295		1,614
Travel, advertising and promotion expenses		5,937		4,154
Other costs of services		823		1,243
	$	15,313	$	11,609

Selling, general and administrative (“SG&A”) expenses

Three months ended March 31,		2016		2015
Employee compensation expenses	$	44,490	$	41,729
Buildings, facilities and technology expenses		11,236		10,046
Travel, advertising and promotion expenses		5,562		6,081
Professional fees		3,452		3,100
Other SG&A expenses		3,567		2,800
	$	68,307	$	63,756

Depreciation and amortization expenses

Three months ended March 31,		2016		2015
Depreciation expense	$	7,783	$	9,280
Amortization expense		2,297		1,336
	$	10,080	$	10,616