v3.3.1.900

Significant Accounting Policies (Details ) $ in Thousands | 3 Months Ended | 12 Months Ended
--- | --- | ---
Dec. 31, 2015 USD ($) | Sep. 30, 2015 USD ($) | Jun. 30, 2015 USD ($) | Mar. 31, 2015 USD ($) | Dec. 31, 2014 USD ($) | Sep. 30, 2014 USD ($) | Jun. 30, 2014 USD ($) | Mar. 31, 2014 USD ($) | Dec. 31, 2015 USD ($) item | Dec. 31, 2014 USD ($) item | Dec. 31, 2013 USD ($)
Concentration of Credit Risk |  |  |  |  |  |  |  |  |  |  |
Revenue | $ 43,252 | $ 37,092 | $ 35,238 | $ 34,612 | $ 30,756 | $ 28,407 | $ 24,744 | $ 26,332 | $ 150,194 | $ 110,239 | $ 83,127
Client A |  |  |  |  |  |  |  |  |  |  |
Concentration of Credit Risk |  |  |  |  |  |  |  |  |  |  |
Revenue |  |  |  |  |  |  |  |  | 65,200 | 61,100 | 57,300
Client B |  |  |  |  |  |  |  |  |  |  |
Concentration of Credit Risk |  |  |  |  |  |  |  |  |  |  |
Revenue |  |  |  |  |  |  |  |  | 23,800 | 15,900 | 13,500
Client C |  |  |  |  |  |  |  |  |  |  |
Concentration of Credit Risk |  |  |  |  |  |  |  |  |  |  |
Revenue |  |  |  |  |  |  |  |  | $ 17,600 | $ 14,600 | $ 10,400
Revenue | Customer concentration risk | Client A |  |  |  |  |  |  |  |  |  |  |
Concentration of Credit Risk |  |  |  |  |  |  |  |  |  |  |
Percentage of concentration of credit risk |  |  |  |  |  |  |  |  | 43.00% | 55.00% | 69.00%
Revenue | Customer concentration risk | Client B |  |  |  |  |  |  |  |  |  |  |
Concentration of Credit Risk |  |  |  |  |  |  |  |  |  |  |
Percentage of concentration of credit risk |  |  |  |  |  |  |  |  | 16.00% | 14.00% | 16.00%
Revenue | Customer concentration risk | Client C |  |  |  |  |  |  |  |  |  |  |
Concentration of Credit Risk |  |  |  |  |  |  |  |  |  |  |
Percentage of concentration of credit risk |  |  |  |  |  |  |  |  | 12.00% | 13.00% | 12.00%
Accounts receivable | Credit concentration risk |  |  |  |  |  |  |  |  |  |  |
Concentration of Credit Risk |  |  |  |  |  |  |  |  |  |  |
Percentage of concentration of credit risk |  |  |  |  |  |  |  |  | 7.00% | 35.00% |
Number of additional clients who accounted for more than 10% | item |  |  |  |  |  |  |  |  | 1 | 2 |

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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=51801978&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 20 -URI http://asc.fasb.org/extlink&oid=49121117&loc=d3e13531-108611 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=51801978&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 21 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=49121117&loc=d3e13537-108611 + Details
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