Expiration date of original equipment manufacturers distribution agreements for embedded operating systems one.

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Number of customer account as major customer.

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Number of original equipment manufacturers distribution agreements for embedded operating systems.

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Number of original equipment manufacturers distribution agreements for mobile operating systems.

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- Definition

Original equipment manufacturers distribution agreement mobile operating systems expiration date one.

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- Definition

Rebate credits outstanding.

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Revenue recognition under rebates program.

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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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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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Significant Risk Concentrations - Additional Information (Detail)	12 Months Ended
	Dec. 31, 2015 USD ($) Customer Agreement	Dec. 31, 2014 USD ($) Customer	Sep. 30, 2015 USD ($)	Jun. 30, 2015 USD ($)	Mar. 31, 2015 USD ($)	Sep. 30, 2014 USD ($)	Jun. 30, 2014 USD ($)	Mar. 31, 2014 USD ($)
Concentration Risk [Line Items]
Accounts receivable	$ 19,009,000	$ 13,626,000	$ 15,560,000	$ 15,418,000	$ 13,490,000	$ 11,749,000	$ 11,235,000	$ 13,130,000
Expiration date one of OEM Distribution agreements for embedded operating systems	Jun. 30, 2016
Number of OEM Distribution agreements for embedded operating systems \| Agreement	2
Expiration date of OEM Distribution agreements for mobile operating systems, non-EMEA	Jun. 30, 2016
Number of OEM Distribution agreements for mobile operating systems \| Agreement	4
Rebate credits outstanding	$ 641,000
Cost of revenue-service [Member]
Concentration Risk [Line Items]
Earnings under the rebate program	326,000	298,000
Reduction in marketing expense [Member]
Concentration Risk [Line Items]
Earnings under the rebate program	888,000	$ 195,000
Honeywell International Inc and affiliated entities [Member] \| Credit Concentration Risk [Member]
Concentration Risk [Line Items]
Accounts receivable	$ 6,100,000
Revenue [Member] \| Honeywell International Inc [Member] \| Customer Concentration Risk [Member]
Concentration Risk [Line Items]
Number of customer account as major customer \| Customer	1
Concentration risk, percentage	16.00%
Revenue [Member] \| Future Electronics, Inc. [Member] \| Customer Concentration Risk [Member]
Concentration Risk [Line Items]
Number of customer account as major customer \| Customer	1
Concentration risk, percentage	12.00%
Revenue [Member] \| Customer accounted for 10% or more [Member] \| Customer Concentration Risk [Member]
Concentration Risk [Line Items]
Number of customer account as major customer \| Customer	0	0
Accounts receivable [Member] \| Customer accounted for 10% or more [Member] \| Credit Concentration Risk [Member]
Concentration Risk [Line Items]
Number of customer account as major customer \| Customer	0	0
Accounts receivable [Member] \| Honeywell International Inc and affiliated entities [Member] \| Credit Concentration Risk [Member]
Concentration Risk [Line Items]
Concentration risk, percentage	32.00%