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Percentage of Accounts Receivable by Significant Customers (Detail)	6 Months Ended	12 Months Ended
	Jun. 30, 2015	Dec. 31, 2014
Customer Concentration Risk | Accounts Receivable | GE Healthcare
Concentration Risk [Line Items]
Accounts receivable, percentage by customer	58.00%	29.00%

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- Definition

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.

+ References

No definition available.

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- Definition

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.

+ References

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