Revenue Recognition (Tables)

6 Months Ended

Jun. 30, 2018

Revenue From Contract With Customer [Abstract]

Summary of Revenue

The following summarizes our revenue by melt type:

		Three months ended June 30,
		2018		2017
Net sales:
Specialty alloys	$		52,244		45,371
Premium alloys (A)			12,032		6,770
Conversion services and other sales			1,795		466
Total net sales	$		66,071		52,607

(A) Premium alloys represent all vacuum induction melted (VIM) products.