Note 5 - Amounts Recognized in the Balance Sheets (Details) - USD ($)	Dec. 31, 2016	Dec. 31, 2015
Assets	$ 103,895	$ 0
Liabilities		(333,239)
	$ 103,895	$ (333,239)

This represents the entire liability recognized in the balance sheet that is associated with the defined benefit plans.

Reference 1: http://www.xbrl.org/2003/role/presentationRef
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Name:	us-gaap_PensionAndOtherPostretirementDefinedBenefitPlansLiabilitiesCurrentAndNoncurrent
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant