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

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- Definition

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

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Percentage of allocated rebate values.

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Rebate credits outstanding.

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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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-Publisher FASB
-Name Accounting Standards Codification
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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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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.

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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) - USD ($)	3 Months Ended		12 Months Ended
	Mar. 31, 2018	Mar. 31, 2017	Dec. 31, 2017
Concentration Risk [Line Items]
Total revenue	$ 20,678,000	$ 22,841,000
Accounts receivable	$ 16,712,000		$ 18,014,000
Expiration date one of OEM Distribution agreements for embedded operating systems	Jun. 30, 2018
Expiration date of OEM Distribution agreements for mobile operating systems, non-EMEA	Jun. 30, 2018
Rebate credits outstanding	$ 607,000
Cost of revenue [Member]
Concentration Risk [Line Items]
Allocation of rebate values, percentage	30.00%
Reduction to marketing expense [Member]
Concentration Risk [Line Items]
Allocation of rebate values, percentage	70.00%
Honeywell International Inc and affiliated entities [Member] \| Customer Concentration Risk [Member]
Concentration Risk [Line Items]
Total revenue	$ 2,600,000	3,300,000
Honeywell International Inc and affiliated entities [Member] \| Credit Concentration Risk [Member]
Concentration Risk [Line Items]
Accounts receivable	$ 9,100,000		$ 8,700,000
PACCAR Inc. and affiliated entities [Member] \| Customer Concentration Risk [Member]
Concentration Risk [Line Items]
Total revenue		$ 3,000,000
Revenue [Member] \| Honeywell International Inc and affiliated entities [Member] \| Customer Concentration Risk [Member]
Concentration Risk [Line Items]
Concentration risk, percentage	13.00%	15.00%
Revenue [Member] \| PACCAR Inc. and affiliated entities [Member] \| Customer Concentration Risk [Member]
Concentration Risk [Line Items]
Concentration risk, percentage		13.00%
Accounts receivable [Member] \| Honeywell International Inc and affiliated entities [Member] \| Credit Concentration Risk [Member]
Concentration Risk [Line Items]
Concentration risk, percentage	54.00%		48.00%