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

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- Definition

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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Total revenue from sale of goods and services rendered during the reporting period, in the normal course of business, reduced by sales returns and allowances, and sales discounts.

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Significant Risk Concentrations - Additional Information (Detail)	3 Months Ended		12 Months Ended
	Mar. 31, 2016 USD ($) Customer Agreement	Mar. 31, 2015 USD ($) Customer	Dec. 31, 2015 USD ($) Customer
Concentration Risk [Line Items]
Total revenue	$ 25,439,000	$ 26,265,000
Accounts receivable	$ 21,323,000		$ 19,009,000
Expiration date one of OEM Distribution agreements for embedded operating systems	Jun. 30, 2017
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, 2017
Number of OEM Distribution agreements for mobile operating systems \| Agreement	4
Cost of revenue-service [Member]
Concentration Risk [Line Items]
Earnings under the rebate program	$ 86,000	63,000
Reduction in marketing expense [Member]
Concentration Risk [Line Items]
Earnings under the rebate program	201,000	147,000
Honeywell International Inc and affiliated entities [Member] \| Customer Concentration Risk [Member]
Concentration Risk [Line Items]
Total revenue	4,200,000
Honeywell International Inc and affiliated entities [Member] \| Credit Concentration Risk [Member]
Concentration Risk [Line Items]
Accounts receivable	$ 9,400,000		$ 6,100,000
Future Electronics, Inc. [Member] \| Customer Concentration Risk [Member]
Concentration Risk [Line Items]
Total revenue		$ 4,400,000
Revenue [Member] \| Honeywell International Inc and affiliated entities [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		17.00%
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] \| Honeywell International Inc and affiliated entities [Member] \| Credit Concentration Risk [Member]
Concentration Risk [Line Items]
Concentration risk, percentage	48.00%		32.00%
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