SEGMENT REPORTING (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Segment reporting
Net Sales by Segment	$ 164,439	$ 186,728	$ 320,576
Net Sales by Segment (as a percent)	100.00%	100.00%	100.00%
Gross profit/(loss) by Segment	40,220	68,158	114,334
Gross profit/(loss) by Segment (as a percent)	24.00%	37.00%	36.00%
Segment Margin	20,898	30,765	71,954
General and Corporate	(34,131)	(60,308)	(50,679)
Operating income (loss)	(13,233)	(29,543)	21,275
Long-lived assets	4,771	8,866
China
Segment reporting
Net Sales by Segment	6,945	38,544	157,564
Net Sales by Segment (as a percent)	4.00%	21.00%	49.00%
Long-lived assets	3,795	7,729
Japan
Segment reporting
Net Sales by Segment	93,203	99,367	96,257
Net Sales by Segment (as a percent)	57.00%	53.00%	30.00%
India
Segment reporting
Net Sales by Segment	26,595	23,992	30,789
Net Sales by Segment (as a percent)	16.00%	13.00%	10.00%
Taiwan
Segment reporting
Net Sales by Segment	13,332	9,824	7,055
Net Sales by Segment (as a percent)	8.00%	5.00%	2.00%
Other
Segment reporting
Net Sales by Segment	24,364	15,001	28,911
Net Sales by Segment (as a percent)	15.00%	8.00%	9.00%
Long-lived assets	976	1,137
Equipment
Segment reporting
Net Sales by Segment	141,138	160,688	285,493
Net Sales by Segment (as a percent)	86.00%	86.00%	89.00%
Gross profit/(loss) by Segment	41,250	64,835	107,030
Gross profit/(loss) by Segment (as a percent)	29.00%	40.00%	37.00%
Segment Margin	24,047	34,661	72,598
Equipment Based Services
Segment reporting
Net Sales by Segment	23,301	25,784	34,539
Net Sales by Segment (as a percent)	14.00%	14.00%	11.00%
Gross profit/(loss) by Segment	(1,030)	3,546	9,271
Gross profit/(loss) by Segment (as a percent)	(4.00%)	14.00%	27.00%
Segment Margin	(1,037)	3,524	9,162
Operational Support Services
Segment reporting
Net Sales by Segment		256	544
Net Sales by Segment (as a percent)	0.00%	0.00%	0.00%
Gross profit/(loss) by Segment		(223)	(1,967)
Gross profit/(loss) by Segment (as a percent)	0.00%	(87.00%)	(362.00%)
Segment Margin	$ (2,112)	$ (7,420)	$ (9,806)

Aggregate revenue less cost of goods and services sold or operating expenses directly attributable to the revenue generation activity.

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The net result for the period of deducting operating expenses from operating revenues.

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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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Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

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Total revenue from sale of goods and services rendered during the reporting period, in the normal course of business, reduced by sales returns and allowances, and sales discounts.

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The aggregate total of general and corporate expenses.

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Represents the gross profit, expressed as a percentage of net sales revenue.

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Represents the net sales, expressed as a percentage of net sales revenue.

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No definition available.

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Segment margin from sale of goods and services rendered during the reporting period, in the normal course of business.

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No definition available.

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