Significant Risk Concentrations	9 Months Ended
Significant Risk Concentrations	Sep. 30, 2013
Risks And Uncertainties [Abstract]
Significant Risk Concentrations	8. Significant Risk Concentrations *Significant Customer* No customer accounted for 10% or more of total revenue for the three or nine months ended September 30, 2013 or September 30, 2012. No customer had an accounts receivable balance which was 10% or more of the total accounts receivable at September 30, 2013. Bluebird Soft, Inc., a designer and manufacturer of handheld mobile devices, had an accounts receivable balance of $2.1 million, or 13% of total accounts receivable, as of December 31, 2012, all of which was subsequently collected. No other customer accounted for 10% or more of total accounts receivable at December 31, 2012. *Significant Supplier* We have ODAs with Microsoft which enable us to sell Microsoft Windows Embedded operating systems to our customers in the United States, Canada, the Caribbean (excluding Cuba), Mexico, the European Union and the European Free Trade Association, which expire on September 30, 2014. We also have ODAs with Microsoft which allow us to sell Microsoft Windows Mobile operating systems in the Americas, Japan, Taiwan, Europe, the Middle East, and Africa. Our current distribution agreements related to Windows Mobile expire in September 2014. Our rights to distribute Windows Mobile operating systems in Korea ended on October 31, 2012. We sold $1.2 million and $2.9 million of Windows Mobile operating systems in Korea during the three and nine months ended September 30, 2012. Software sales under these agreements constitute a significant portion of our software revenue and total revenue. These agreements are typically renewed annually or semi-annually; however, there is no automatic renewal provision in any of these agreements. Further, these agreements can be terminated unilaterally by Microsoft at any time. Microsoft currently offers a rebate program to sell Microsoft Windows Embedded operating systems pursuant to which we earn money for achieving certain predefined objectives. Prior to the third quarter of 2013, the earned rebate amount was treated as a reduction in software cost of sales in the quarter earned. Beginning in the third quarter of 2013, as a result of program modifications, we began treating a portion of the rebate as market development funds which will be accounted for as a reduction in marketing expense as qualified program spend occurs in the future. Under this rebate program, we earned $89,000 and $658,000 during the three and nine months ended September 30, 2013, respectively, and $196,000 and $609,000 during the three and nine months ended September 30 2012, respectively, which was treated as a reduction in cost of sales. Additionally, during the three months ended September 30, 2013 we earned $208,000 which will be accounted for as a reduction in marketing expense in the future as qualified program expenditures are made.

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.

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