The cumulative amount of depreciation, depletion and amortization (related to property, plant and equipment, but not including land) that has been recognized in the income statement.

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Gross amount of long-lived 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, furniture and fixtures, and computer equipment.

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- Definition

Amount, net of accumulated depreciation, depletion and amortization, of long-lived 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, furniture and fixtures, and computer equipment.

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PROPERTY AND EQUIPMENT (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 31, 2013	Mar. 31, 2012	Dec. 31, 2012
Summary of property and equipment [Abstract]
Property and equipment, gross	$ 5,070		$ 5,147
Less: accumulated depreciation and amortization	(4,474)		(4,532)
Property and Equipment, Net	596		615
Depreciation and amortization	98	81
Computer Equipment and Purchased Software [Member]
Summary of property and equipment [Abstract]
Property and equipment, gross	4,937		5,056
Estimated useful lives	3 years
Furniture and Fixtures and Leasehold Improvements [Member]
Summary of property and equipment [Abstract]
Property and equipment, gross	$ 133		$ 91
Furniture and Fixtures and Leasehold Improvements [Member] \| Minimum [Member]
Summary of property and equipment [Abstract]
Estimated useful lives	5 years
Furniture and Fixtures and Leasehold Improvements [Member] \| Maximum [Member]
Summary of property and equipment [Abstract]
Estimated useful lives	7 years