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CONCENTRATION OF RISK - Revenues and Accounts Receivable (Details) (USD $) In Thousands, unless otherwise specified | 3 Months Ended |
--- | --- | ---
Mar. 31, 2013 | Mar. 31, 2012 | Dec. 31, 2012
Concentration Risk [Line Items] |  |  |
Revenue | $ 14,976 | $ 12,620 |
Accounts receivable | 10,527 |  | 8,657
Total Revenue [Member] | Customer Concentration Risk [Member] | Major Customer A [Member] |  |  |
Concentration Risk [Line Items] |  |  |
Concentration risk, percentage | 42.00% | 42.00% |
Total Revenue [Member] | Customer Concentration Risk [Member] | Major Customer B [Member] |  |  |
Concentration Risk [Line Items] |  |  |
Concentration risk, percentage | 21.00% | 12.00% |
Total Revenue [Member] | Customer Concentration Risk [Member] | Major Customer C [Member] |  |  |
Concentration Risk [Line Items] |  |  |
Concentration risk, percentage | 19.00% | 13.00% |
Total Revenue [Member] | Government Contracts Concentration Risk [Member] |  |  |
Concentration Risk [Line Items] |  |  |
Revenue | 629 | 1,200 |
Concentration risk, percentage | 4.00% | 9.00% |
Total Revenue [Member] | Geographic Concentration Risk [Member] |  |  |
Concentration Risk [Line Items] |  |  |
Concentration risk, percentage | 95.00% | 90.00% |
Accounts Receivable [Member] | Customer Concentration Risk [Member] | Major Customer A [Member] |  |  |
Concentration Risk [Line Items] |  |  |
Accounts receivable | 4,829 |  |
Accounts Receivable [Member] | Customer Concentration Risk [Member] | Major Customer B [Member] |  |  |
Concentration Risk [Line Items] |  |  |
Accounts receivable | 1,260 |  |
Accounts Receivable [Member] | Customer Concentration Risk [Member] | Major Customer C [Member] |  |  |
Concentration Risk [Line Items] |  |  |
Accounts receivable | $ 2,822 |  |

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- Definition 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. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.3-4) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 02 -Paragraph 3 -Subparagraph a(1) -Article 5 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 02 -Paragraph 4 -Article 5 + Details
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- Definition 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. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 275 -SubTopic 10 -Section 50 -Paragraph 18 -URI http://asc.fasb.org/extlink&oid=6927468&loc=d3e6351-108592 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 825 -SubTopic 10 -Section 50 -Paragraph 21 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=7491637&loc=d3e13537-108611 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 275 -SubTopic 10 -Section 50 -Paragraph 20 -URI http://asc.fasb.org/extlink&oid=6927468&loc=d3e6404-108592 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 825 -SubTopic 10 -Section 50 -Paragraph 20 -URI http://asc.fasb.org/extlink&oid=7491637&loc=d3e13531-108611 + Details
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- Definition Aggregate revenue recognized during the period (derived from goods sold, services rendered, insurance premiums, or other activities that constitute an entity's earning process). For financial services companies, also includes investment and interest income, and sales and trading gains. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 225 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SX 210.5-03.1) -URI http://asc.fasb.org/extlink&oid=6880815&loc=d3e20235-122688 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 03 -Paragraph 1 -Article 5 + Details
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