Note 3 - Revenue Recognition (Tables)

12 Months Ended

Jun. 30, 2019

Notes Tables

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

Balance Sheet	As Previously		New Revenue			As
June 30, 2018	Reported		Standard Adjustment			Adjusted
Current liabilities:
Accrued liabilities	$	1,178,571	$	(389,610	)	$	788,961
Deferred revenue		-		690,905			690,905
Long-term liabilities:
Other liabilities		155,702		(155,702	)		-
Deferred revenue		-		168,465			168,465
Equity:
Retained earnings	$	8,728,628	$	(314,058	)	$	8,414,570

Statement of Operations	As Previously			New Revenue			As
Year ended June 30, 2018	Reported			Standard Adjustment			Adjusted
Net sales	$	23,515,441		$	7,190		$	23,522,631
Cost of goods sold		16,933,431			33,202			16,966,633
Income tax provision		3,042,696			(852	)		3,041,844
Net (loss)		(3,386,060	)		(25,160	)		(3,411,220	)
(Loss) per common share:
Basic	$	(0.46	)	$	-		$	(0.46	)
Diluted		(0.46	)		-			(0.46	)

Statement of Cash Flows	As Previously			New Revenue			As
Year ended June 30, 2018	Reported			Standard Adjustment			Adjusted
Operating activities:
Net (loss)	$	(3,386,060	)	$	(25,160	)	$	(3,411,220	)
Deferred income taxes		3,042,257			(852	)		3,041,405
Change in deferred revenue					15,638			15,638
Net changes in operating assets and liabilities		640,233			10,374			650,607
Cash provided by operating activities	$	1,031,087			-		$	1,031,087

Disaggregation of Revenue [Table Text Block]

	2019			2018*
United States	$	15,255,741	$	16,584,115
Export		6,586,3 56		6,938,516
Net Sales	$	21,842,097	$	23,522,631