Amount of accumulated depreciation, depletion and amortization for physical assets used in the normal conduct of business to produce goods and services.

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The expense recognized in the current period that allocates the cost of nonproduction tangible assets over their useful lives.

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Amount before accumulated depreciation, depletion and amortization of physical assets used in the normal conduct of business and not intended for resale. Examples include, but are not limited to, land, buildings, machinery and equipment, office equipment, and furniture and fixtures.

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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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No definition available.

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Amount after accumulated depreciation, depletion and amortization of physical assets used in the normal conduct of business to produce goods and services and not intended for resale. Examples include, but are not limited to, land, buildings, machinery and equipment, office equipment, and furniture and fixtures.

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EQUIPMENT AND LEASEHOLD IMPROVEMENTS (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2017	Sep. 30, 2016	Sep. 30, 2017	Sep. 30, 2016	Dec. 31, 2016
Equipment and leasehold improvements, net
Total	$ 24,387		$ 24,387		$ 23,895
Less accumulated depreciation and amortization	(14,042)		(14,042)		(15,498)
Equipment and leasehold improvements, net	10,345		10,345		8,397
Depreciation and amortization expenses	891	$ 817	2,570	$ 2,359
Office equipment
Equipment and leasehold improvements, net
Total	9,682		9,682		12,489
Furniture and fixtures
Equipment and leasehold improvements, net
Total	3,412		3,412		3,255
Leasehold improvements
Equipment and leasehold improvements, net
Total	$ 11,293		$ 11,293		$ 8,151