Note 5 - Revenue Recognition

3 Months Ended

Sep. 30, 2019

Notes to Financial Statements

Revenue from Contract with Customer [Text Block]

5.

    REVENUE RECOGNITION

The Company disaggregates it's net sales by geographical location as it believes it best depicts how the nature, timing and uncertainty of net sales and cash flows are affected by economic factors. The following table summarizes net sales by geographical location:

	Three Months Ended
	September 30
	2019			2018
United States	$	4,504,275	$	3,770,884
Export		906,487		2,013,955
Net Sales	$	5,410,762	$	5,784,839

Deferred revenue relates primarily to consumer and customer warranties. These constitute future performance obligations and the Company defers revenue related to these future performance obligations. The Company recognized revenue, which was included in the deferred revenue liability at the beginning of the periods, of 

$158,053

 and 

$174,023

 in the 

three

months ended

September 30, 2019

and

2018

, respectively, for performance obligations related to consumer and customer warranties.  The deferred revenue liability was 

$859,370

 and 

$746,267

 as of 

June 30, 2018

 and 

September 30, 2018

, respectively.