7. Earnings (Loss) per common share (Details) (USD $)	3 Months Ended	6 Months Ended
Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2014	Dec. 31, 2013
Earnings Loss Per Common Share Details
Net income (loss)	$ (138,000)us-gaap_NetIncomeLoss	$ 135,100us-gaap_NetIncomeLoss	$ (299,300)us-gaap_NetIncomeLoss	$ 137,200us-gaap_NetIncomeLoss
Weighted average common shares outstanding	1,479,112	1,342,663	1,475,960	1,340,163
Dilutive securities	0	6,327	0	6,867
Weighted average dilutive common shares outstanding	1,479,112	1,348,990	1,475,960	1,347,030
Basic and diluted earnings (loss) per common share	$ (0.09)us-gaap_EarningsPerShareBasic	$ 0.10us-gaap_EarningsPerShareBasic	$ (0.20)us-gaap_EarningsPerShareBasic	$ 0.10us-gaap_EarningsPerShareBasic

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The amount of net income (loss) for the period per each share of common stock or unit outstanding during the reporting period.

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The portion of profit or loss for the period, net of income taxes, which is attributable to the parent.

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The sum of dilutive potential common shares or units used in the calculation of the diluted per-share or per-unit computation.

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The average number of shares or units issued and outstanding that are used in calculating diluted EPS or earnings per unit (EPU), determined based on the timing of issuance of shares or units in the period.

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