EQUIPMENT AND LEASEHOLD IMPROVEMENTS (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 30, 2014	Sep. 30, 2013	Sep. 30, 2014	Sep. 30, 2013	Dec. 31, 2013
Equipment and leasehold improvements
Total	$ 15,796		$ 15,796		$ 13,623
Less accumulated depreciation and amortization	(9,936)		(9,936)		(8,467)
Equipment and leasehold improvements, net	5,860		5,860		5,156
Depreciation and amortization expenses	542	540	1,595	1,628
Office equipment
Equipment and leasehold improvements
Total	8,445		8,445		7,498
Furniture and fixtures
Equipment and leasehold improvements
Total	2,050		2,050		1,730
Leasehold improvements
Equipment and leasehold improvements
Total	$ 5,301		$ 5,301		$ 4,395