Annual Lease Payment.

No definition available.

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- Definition

Long-Term Purchase Commitment, Monthly Capital Contributions

+ References

No definition available.

+ Details

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- Definition

Net Smelter Return Royalty, Percentage

+ References

No definition available.

+ Details

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- Definition

Royalty expense incurred and are directly related to goods produced and sold and services rendered during the reporting period.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 225
-SubTopic 10
-Section S99
-Paragraph 2
-Subparagraph (SX 210.5-03.2(a),(d))
-URI http://asc.fasb.org/extlink&oid=63488584&loc=d3e20235-122688

+ Details

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Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

The minimum amount the entity agreed to spend under the long-term purchase commitment.

+ References

No definition available.

+ Details

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Data Type:	xbrli:monetaryItemType
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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.

+ Details

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- Definition

Rental expense for the reporting period incurred under operating leases, including minimum and any contingent rent expense, net of related sublease income.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 840
-SubTopic 20
-Section 50
-Paragraph 1
-URI http://asc.fasb.org/extlink&oid=6453985&loc=d3e41499-112717

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Details

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- Details

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Commitments and Contingencies (Narrative) (Details) - USD ($)			12 Months Ended
	Sep. 28, 2015	Sep. 27, 2015	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014
Loss Contingencies [Line Items]
Rent expense			$ 900,000	$ 900,000	$ 2,000,000
Royalty Agreement
Loss Contingencies [Line Items]
Minimum payments under commitment			$ 53,400
Percentage of royalty obligations			3.00%
Royalties expensed			$ 0	$ 200,000	$ 1,000,000
Minimum \| Royalty Agreement
Loss Contingencies [Line Items]
Percentage of royalty obligations			0.50%
Maximum \| Royalty Agreement
Loss Contingencies [Line Items]
Percentage of royalty obligations			5.00%
Related Party Leases
Loss Contingencies [Line Items]
Monthly cash capital contributions	$ 30,000		$ 30,000
Annual capital contributions for related party leases	482,500		$ 482,500
Minimum payments under commitment	$ 9,750,000	$ 31,050,000