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Summary of Percentage of Revenues from Major Customers (Details)	12 Months Ended
	Dec. 31, 2014	Dec. 31, 2013
TI Group Automotive Systems
Percentage of revenues from major customers	20.00%us-gaap_ConcentrationRiskPercentage1 / us-gaap_MajorCustomersAxis = fil_TiGroupAutomotiveSystemsMember	18.00%us-gaap_ConcentrationRiskPercentage1 / us-gaap_MajorCustomersAxis = fil_TiGroupAutomotiveSystemsMember
Fisher Company
Percentage of revenues from major customers	13.00%us-gaap_ConcentrationRiskPercentage1 / us-gaap_MajorCustomersAxis = fil_FisherCompanyMember	14.00%us-gaap_ConcentrationRiskPercentage1 / us-gaap_MajorCustomersAxis = fil_FisherCompanyMember

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- Definition

For an entity that discloses a concentration risk in relation to quantitative amount, which serves as the "benchmark" (or denominator) in the equation, this concept represents the concentration percentage derived from the division.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 825

-SubTopic 10

-Section 50

-Paragraph 21

-Subparagraph (a)

-URI http://asc.fasb.org/extlink&oid=35750535&loc=d3e13537-108611



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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 275

-SubTopic 10

-Section 50

-Paragraph 20

-URI http://asc.fasb.org/extlink&oid=6927468&loc=d3e6404-108592



Reference 3: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 825

-SubTopic 10

-Section 50

-Paragraph 20

-URI http://asc.fasb.org/extlink&oid=35750535&loc=d3e13531-108611



Reference 4: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 275

-SubTopic 10

-Section 50

-Paragraph 18

-URI http://asc.fasb.org/extlink&oid=6927468&loc=d3e6351-108592

+ Details

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- Details

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Namespace Prefix:
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Balance Type:
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X

- Details

Name:	us-gaap_MajorCustomersAxis=fil_TiGroupAutomotiveSystemsMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: