Acquisition (Details) (USD $)	0 Months Ended
Jan. 07, 2015	Mar. 31, 2015
Purchase Price Allocation
Goodwill		$ 4,789,000us-gaap_Goodwill
Leveltek Processing, LLC
Acquisition
Acquisition price	14,600,000
Purchase Price Allocation
Property, plant and equipment, net	7,563,000
Inventory	148,000
Total identifiable net assets	9,811,000
Goodwill	4,789,000
Total purchase price	14,600,000
Customer relationships \| Leveltek Processing, LLC
Purchase Price Allocation
Customer relationships	$ 2,100,000

Amount of consideration transferred, consisting of acquisition-date fair value of assets transferred by the acquirer, liabilities incurred by the acquirer, and equity interest issued by the acquirer.

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The amount of identifiable intangible assets recognized as of the acquisition date.

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The amount of inventory recognized as of the acquisition date.

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The amount of property, plant, and equipment recognized as of the acquisition date.

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Amount recognized for assets, including goodwill, in excess of (less than) the aggregate liabilities assumed.

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Amount after accumulated impairment loss of an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized.

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