EQUIPMENT AND LEASEHOLD IMPROVEMENTS (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2016	Sep. 30, 2015	Sep. 30, 2016	Sep. 30, 2015	Dec. 31, 2015
Equipment and leasehold improvements, net
Total	$ 23,757		$ 23,757		$ 21,182
Less accumulated depreciation and amortization	(14,678)		(14,678)		(12,484)
Equipment and leasehold improvements, net	9,079		9,079		8,698
Depreciation and amortization expenses	817	$ 646	2,359	$ 1,954
Office equipment
Equipment and leasehold improvements, net
Total	12,449		12,449		11,193
Furniture and fixtures
Equipment and leasehold improvements, net
Total	3,259		3,259		2,916
Leasehold improvements
Equipment and leasehold improvements, net
Total	$ 8,049		$ 8,049		$ 7,073