11. Commitments and Contingencies: Contingencies (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
Dec. 31, 2014	Dec. 31, 2013
Positive Outcome of Litigation
Loss Contingency, Range of Possible Loss, Maximum	$ 213	$ 227
Loss Contingency, Balance Sheet Caption	Other Long Term Assets
Insurance Claims
Product Liability Inurance Deductible - Range, minimum	25
Product Liability Inurance Deductible - Range, maximum	250
Pending or Threatened Litigation
Product Liability Contingency, Loss Exposure Not Accrued, High Estimate	4,900
Loss Contingency Accrual	$ 582	$ 686

The maximum amount of risk retained by the entity before the insurance arrangement begins to provide coverage.

No definition available.

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- Definition

The minimum amount of risk retained by the entity before the insurance arrangement begins to provide coverage.

+ References

No definition available.

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- Definition

Amount of loss contingency liability.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 450

-SubTopic 20

-Section 50

-Paragraph 1

-URI http://asc.fasb.org/extlink&oid=25496072&loc=d3e14326-108349

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- Definition

Identifies the line item(s) of the balance sheet that reflect the loss contingency liabilities.

+ References

No definition available.

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- Definition

The estimated maximum amount of possible loss from the contingency.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 450

-SubTopic 20

-Section 50

-Paragraph 4

-Subparagraph (b)

-URI http://asc.fasb.org/extlink&oid=25496072&loc=d3e14435-108349

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-Publisher FASB

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-Section 50

-Paragraph 9

-Subparagraph (b)

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- Definition

High-end of the range estimate for a reasonably possible liability for product liability damages for which no accrual has been recorded.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Staff Accounting Bulletin (SAB)

-Number Topic 5

-Section Y

-Paragraph Question 2

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 450

-SubTopic 20

-Section 50

-Paragraph 4

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-Publisher FASB

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-Paragraph 9

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