Note 3. Summary of Significant Accounting policies (Tables)

9 Months Ended

Mar. 31, 2018

Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]

Schedule of Antidilutive Securities Excluded from Computation of Earnings Per Share [Table Text Block]

The following table summarizes securities that, if exercised would have an anti-dilutive effect on earnings per share.

	For the three-month period ended March 31,		For the nine-month period ended March 31,
	2018	2017	2018	2017
Stock options	367,500	502,000	367,500	502,000
Preferred stock	2,150,000	—	—	—
Total potential dilutive securities not included in income per share	2,517,500	502,000	367,500	502,000

Schedule of Earnings Per Share, Basic and Diluted [Table Text Block]

The following table sets forth the computation of basic and diluted net (loss) income per share:

	For the three-month period ended March 31,						For the nine-month period ended March 31,
	2018			2017			2018		2017
Numerator:
Numerator for basic earnings per share
Net income (loss)	$	(119,076	)	$	(106,856	)	$	531,623	$	(567,345	)
Undeclared dividends on preferred stock	6,503			—			6,503		—
Net income(loss) applicable to common shareholders	$	(125,579	)	$	(106,856	)	$	525,120	$	(567,345	)
Numerator for diluted earnings per share:
Net income (loss) applicable to common shareholders	(125,579		)	(106,856		)	525,120		(567,345		)
Undeclared dividends on preferred stock	6,503			—			6,503		—
Net income (loss)	(119,076		)	(106,856		)	531,623		(567,345		)
Denominator:
Denominator for basic earnings per share - weighted average shares outstanding	7,551,430			7,551,430			7,551,430		7,551,430
Weighted average preferred stock converted to common stock	—			—			716,667		—
Denominator for diluted earnings per share - weighted average and assumed conversion	7,551,430			7,551,430			8,268,097		7,551,430
Net income (loss) per share
Basic net loss (income) per share	$	(0.02	)	$	(0.01	)	$	0.07	$	(0.08	)
Diluted net loss (income) per share	$	(0.02	)	$	(0.01	)	$	0.06	$	(0.08	)