Amount due from customers or clients, within one year of the balance sheet date (or the normal operating cycle, whichever is longer), for goods or services (including trade receivables) that have been delivered or sold in the normal course of business, reduced to the estimated net realizable fair value by an allowance established by the entity of the amount it deems uncertain of collection.

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For an entity that discloses a concentration risk in relation to quantitative amount, which serves as the "benchmark" (or denominator) in the equation, this concept represents the concentration percentage derived from the division.

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Amount of revenue recognized from goods sold, services rendered, insurance premiums, or other activities that constitute an earning process. Includes, but is not limited to, investment and interest income before deduction of interest expense when recognized as a component of revenue, and sales and trading gain (loss).

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CONCENTRATION OF RISK, Revenues and Accounts Receivable (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 31, 2015	Mar. 31, 2014	Dec. 31, 2014
Concentration Risk [Line Items]
Revenue	$ 31,223us-gaap_Revenues	$ 37,839us-gaap_Revenues
Accounts receivable	18,164us-gaap_AccountsReceivableNetCurrent		22,075us-gaap_AccountsReceivableNetCurrent
Total Revenue [Member] \| Government Contracts Concentration Risk [Member]
Concentration Risk [Line Items]
Revenue	11	70
Concentration risk, percentage (less than 1% for contracts with U.S. government agencies)	1.00%	1.00%
Total Revenue [Member] \| Customer Concentration Risk [Member] \| Major Customer A [Member]
Concentration Risk [Line Items]
Concentration risk, percentage (less than 1% for contracts with U.S. government agencies)	41.00%	35.00%
Total Revenue [Member] \| Customer Concentration Risk [Member] \| Major Customer B [Member]
Concentration Risk [Line Items]
Concentration risk, percentage (less than 1% for contracts with U.S. government agencies)	26.00%	25.00%
Total Revenue [Member] \| Customer Concentration Risk [Member] \| Major Customer C [Member]
Concentration Risk [Line Items]
Concentration risk, percentage (less than 1% for contracts with U.S. government agencies)	15.00%	33.00%
Accounts Receivable [Member] \| Customer Concentration Risk [Member] \| Major Customer A [Member]
Concentration Risk [Line Items]
Accounts receivable	8,281
Accounts Receivable [Member] \| Customer Concentration Risk [Member] \| Major Customer B [Member]
Concentration Risk [Line Items]
Accounts receivable	6,193
Accounts Receivable [Member] \| Customer Concentration Risk [Member] \| Major Customer C [Member]
Concentration Risk [Line Items]
Accounts receivable	$ 1,523
Excluding North America [Member] \| Total Revenue [Member] \| Geographic Concentration Risk [Member]
Concentration Risk [Line Items]
Concentration risk, percentage (less than 1% for contracts with U.S. government agencies)	99.00%	99.00%