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Summary of Significant Accounting Policies (Tables)
 12 Months Ended
Jun. 30, 2016
Accounting Policies [Abstract]  
Schedule of Earnings Per Share, Basic and Diluted [Table Text Block]
The following information is necessary to calculate earnings per share for the periods presented:
 
Year ended June 30,
 
2016
 
2015
 
2014
 
 
 
 
 
 
 
 
 
 
 
 
Net loss, as reported
 
$
(2,304,831)
 
$
(1,777,310)
 
$
(2,805,913)
 
 
 
 
 
 
 
 
 
 
 
 
Weighted average common shares outstanding
 
 
8,027,147
 
 
8,027,147
 
 
8,027,147
 
Effect of dilutive stock options
 
 
-
 
 
-
 
 
-
 
Weighted average diluted common shares outstanding
 
 
8,027,147
 
 
8,027,147
 
 
8,027,147
 
 
 
 
 
 
 
 
 
 
 
 
Net loss per common share
 
 
 
 
 
 
 
 
 
 
Basic
 
$
(0.29)
 
$
(0.22)
 
$
(0.35)
 
Diluted
 
$
(0.29)
 
$
(0.22)
 
$
(0.35)
 
 
 
 
 
 
 
 
 
 
 
 
Employee stock options excluded from computation of diluted income per share amounts because their effect would be anti-dilutive
 
 
-
 
 
-
 
 
-
 
Schedule of Share-based Payment Award, Employee Stock Purchase Plan, Valuation Assumptions [Table Text Block]
The following table summarizes the weighted average assumptions utilized in the Black-Scholes option pricing model for options granted during the fiscal years ended June 30, 2016, 2015 and 2014.
 
 
 
2016
 
 
2015
 
 
2014
 
 
 
 
 
 
 
 
 
 
 
 
 
 
Weighted-average fair value
 
$
0.39
 
 
$
0.70
 
 
$
1.04
 
Weighted-average volatility
 
 
30
%
 
 
44
%
 
 
45
%
Weighted-average expected life (in years)
 
 
6.0
 
 
 
6.0
 
 
 
6.0
 
Weighted-average risk-free interest rate
 
 
1.91
%
 
 
1.85
%
 
 
1.68
%
Dividend yield
 
 
0
%
 
 
0
%
 
 
0
%