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Note 4 - Management's Plans (Details Textual) - USD ($)			12 Months Ended
	Apr. 29, 2015	Aug. 07, 2007	Dec. 31, 2014	Oct. 31, 2015	Oct. 30, 2015
Sales Revenue, Net [Member] | Customer Concentration Risk [Member] | Dana [Member]
Concentration Risk, Percentage			59.00%
Subsequent Event [Member]
Line of Credit Facility, Maximum Borrowing Capacity				$ 27,000,000	$ 8,500,000
Litigation Settlement, Amount	$ 505,000	$ 89,900,000

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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 275



-SubTopic 10



-Section 50



-Paragraph 18



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- Definition

Maximum borrowing capacity under the credit facility without consideration of any current restrictions on the amount that could be borrowed or the amounts currently outstanding under the facility.

+ References

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



-Publisher FASB



-Name Accounting Standards Codification



-Topic 210



-SubTopic 10



-Section S99



-Paragraph 1



-Subparagraph (SX 210.5-02.19(b),22(b))



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