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Subsequent Event	3 Months Ended
Subsequent Event	Mar. 31, 2020
Subsequent Events [Abstract]
Subsequent Event	Subsequent Event On April 8, 2020, the Company acquired Vaporsens, Inc (“Vaporsens”) for $10.5 million, which was in addition to the previous $3.0 million equity investment by the Company in Vaporsens. The Company funded the acquisition with $7.1 million in cash payments, with the remaining $3.4 million of consideration paid with restricted common stock of the Company. Vaporsens specializes in nanofiber chemical sensing research and development, which the Company anticipates using to complement and expand its product offerings. Vaporsens is now a 100% owned subsidiary of the Company, and will be classified within the “Other” segment. The Company is in the process of gathering relevant information needed to complete the initial accounting of the acquisition. As a result, the initial accounting for the acquisition is incomplete, and therefore the Company is unable to disclose the information required by ASC 805, Business Combinations. Such information will be included in the Company’s quarterly Report on Form 10-Q for the second quarter of 2020.