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Concentration of Risk, Segment and Geographic Information | 12 Months Ended
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Dec. 31, 2018
Concentration Of Risk Segment And Geographic Information [Abstract] |
Concentration of Risk, Segment and Geographic Information | 15. Concentration of Risk, Segment and Geographic Information Concentration of Risk Cash equivalents and receivables are financial instruments which potentially subject the Company to concentrations of credit risk, as well as liquidity risk for certain cash equivalents such as money market funds. As of December 31, 2018, the Company had no cash equivalents. As of December 31, 2017, cash equivalents consist of money market funds which were held by major financial institutions which management believes are of high credit quality. The Company has not encountered any such liquidity issues during 2018 and 2017. The Company has not experienced any significant credit losses and does not require collateral on receivables. For the year ended December 31, 2018, three partners represented 34%, 25%, and 14% of total revenues, and as of December 31, 2018, two partners represented 67% and 28% of the accounts receivable balance. For the year ended December 31, 2017, one partner represented 95% of total revenues, and as of December 31, 2017, one partner represented 100% of the accounts receivable balance. Segment Information The Company has determined that it operates in one business segment as it only reports operating results on an aggregate basis to the chief operating decision maker of the Company. Geographic Information Revenue attributed to the following geographic regions was as follows (in thousands) based on the location of the licensees:
|  | Year Ended December 31, |
|  | 2018 |  |  | 2017 |
United States |  | $ | 3,935 |  |  | $ | 1,654 |
Europe |  |  | 1,014 |  |  |  | 50,936 |
Asia Pacific |  |  | 350 |  |  |  | 100 |
Total |  | $ | 5,299 |  |  | $ | 52,690 |
The Company’s property and equipment is held in the United States.

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- Definition The entire disclosure for any concentrations existing at the date of the financial statements that make an entity vulnerable to a reasonably possible, near-term, severe impact. This disclosure informs financial statement users about the general nature of the risk associated with the concentration, and may indicate the percentage of concentration risk as of the balance sheet date. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 275 -URI http://asc.fasb.org/topic&trid=2134479 + Details
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- Definition Concentration of risk segment and geographic information. + References No definition available. + Details
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