Segment Information and Concentrations - Schedule of Operating Segment (Details) - USD ($) $ in Thousands	3 Months Ended
Mar. 31, 2019	Mar. 31, 2018
Total revenues	$ 12,290	$ 8,865
Cost of sales	(3,898)	(4,071)
Gross profit	8,392	4,794
Selling, general and administrative	8,543	6,488
Research and development	405	87
Segment contribution	2,373
Corporate, selling, general and administrative	2,719
Amortization of intangible assets	66
Operating loss	(556)	$ (1,781)
Research and Development Expense [Member]
Research and development	144
Pharmaceutical Compounding [Member]
Total revenues	12,290
Cost of sales	(3,898)
Gross profit	8,392
Selling, general and administrative	5,715
Research and development	125
Segment contribution	2,552
Pharmaceutical Drug Development [Member]
Total revenues
Cost of sales
Gross profit
Selling, general and administrative	43
Research and development	136
Segment contribution	$ (179)

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Segment contribution.

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The aggregate amount of recurring noncash expense charged against earnings in the period to allocate the cost of assets over their estimated remaining economic lives.

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The aggregate costs related to goods produced and sold and services rendered by an entity during the reporting period. This excludes costs incurred during the reporting period related to financial services rendered and other revenue generating activities.

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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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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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Amount, excluding tax collected from customer, of revenue from satisfaction of performance obligation by transferring promised good or service to customer. Tax collected from customer is tax assessed by governmental authority that is both imposed on and concurrent with specific revenue-producing transaction, including, but not limited to, sales, use, value added and excise.

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The aggregate total costs related to selling a firm's product and services, as well as all other general and administrative expenses. Direct selling expenses (for example, credit, warranty, and advertising) are expenses that can be directly linked to the sale of specific products. Indirect selling expenses are expenses that cannot be directly linked to the sale of specific products, for example telephone expenses, Internet, and postal charges. General and administrative expenses include salaries of non-sales personnel, rent, utilities, communication, etc.

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