Note 1 - Nature of Business and Significant Accounting Policies (Tables)

12 Months Ended

Dec. 31, 2018

Notes Tables

Schedule of New Accounting Pronouncements and Changes in Accounting Principles [Table Text Block]

	Year Ended December 31, 2018
				Without			Effect of
				Adoption of			Change
	As Reported			ASU 2014-09			Higher/(Lower)
Operating results
Net sales	$	36,115,741		$	36,086,633		$	29,108
Net loss		(1,903,341	)		(1,932,449	)		29,108