Condensed Consolidated Statements of Income - USD ($) shares in Thousands, $ in Thousands	3 Months Ended	6 Months Ended
Jun. 30, 2016	Jun. 30, 2015	Jun. 30, 2016	Jun. 30, 2015
Condensed Consolidated Statements of Income
Revenue, net	$ 3,054	$ 2,841	$ 5,859	$ 5,098
Cost of revenue	1,211	1,387	2,345	2,503
Gross profit	1,843	1,454	3,514	2,595
Operating expenses:
Engineering, research and development	174	257	315	418
Selling, general and administrative	755	746	1,667	1,475
Total operating expenses	929	1,003	1,982	1,893
Income from operations	914	451	1,532	702
Other income
Other income, net	15	30	29	42
Income before income tax expense (benefit)	929	481	1,561	744
Income tax expense (benefit)	180		206	(11)
Net income	$ 749	$ 481	$ 1,355	$ 755
Earnings per share: basic and diluted	$ 0.10	$ 0.06	$ 0.18	$ 0.10
Weighted average common shares outstanding - basic	7,326	7,324	7,326	7,324
Weighted average common shares outstanding - diluted	7,406	7,324	7,400	7,324

The aggregate cost of goods produced and sold and services rendered during the reporting period.

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Aggregate revenue less cost of goods and services sold or operating expenses directly attributable to the revenue generation activity.

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This element represents the income or loss from continuing operations attributable to the economic entity which may also be defined as revenue less expenses from ongoing operations, after income or loss from equity method investments, but before income taxes, extraordinary items, and noncontrolling interest.

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The amount of net income (loss) before extraordinary items per each basic and diluted share of common stock or unit when the per share amount is the same for both basic and diluted shares.

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Amount of current income tax expense (benefit) and deferred income tax expense (benefit) pertaining to continuing operations.

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Net income after adjustments for dividends on preferred stock (declared in the period) and/or cumulative preferred stock (accumulated for the period).

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The aggregate amount of income or expense from ancillary business-related activities (that is to say, excluding major activities considered part of the normal operations of the business).

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Generally recurring costs associated with normal operations except for the portion of these expenses which can be clearly related to production and included in cost of sales or services. Includes selling, general and administrative expense.

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The net result for the period of deducting operating expenses from operating revenues.

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The aggregate costs incurred (1) in a planned search or critical investigation aimed at discovery of new knowledge with the hope that such knowledge will be useful in developing a new product or service, a new process or technique, or in bringing about a significant improvement to an existing product or process; or (2) to translate research findings or other knowledge into a plan or design for a new product or process or for a significant improvement to an existing product or process whether intended for sale or the entity's use, during the reporting period charged to research and development projects, including the costs of developing computer software up to the point in time of achieving technological feasibility, and costs allocated in accounting for a business combination to in-process projects deemed to have no alternative future use.

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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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The average number of shares or units issued and outstanding that are used in calculating diluted EPS or earnings per unit (EPU), determined based on the timing of issuance of shares or units in the period.

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Number of [basic] shares or units, after adjustment for contingently issuable shares or units and other shares or units not deemed outstanding, determined by relating the portion of time within a reporting period that common shares or units have been outstanding to the total time in that period.

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