Segment Reporting - Additional Information (Detail) - Segment	3 Months Ended	12 Months Ended
Mar. 31, 2020	Dec. 31, 2019
Number of operating segments	1
Customer Concentration Risk \| Accounts Receivable \| GE Healthcare
Accounts receivable, percentage by customer	0.00%	18.00%

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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-Name Accounting Standards Codification
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-Publisher FASB
-Name Accounting Standards Codification
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-Publisher FASB
-Name Accounting Standards Codification
-Topic 275
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