Stockholders' Equity (Tables)
 12 Months Ended
Jun. 30, 2013
Stockholders' Equity Note [Abstract]  
Schedule of Share-based Compensation, Stock Options, Activity [Table Text Block]
The following table summarizes vested and unvested stock option activity:
 
 
 
All Options
 
Vested Options
 
Unvested Options
 
 
 
Shares
 
Weighted
Average
Exercise
Price
 
Shares
 
Weighted
Average
Exercise
Price
 
Shares
 
Weighted
Average
Exercise
Price
 
Outstanding at June 30, 2011
 
 
1,439,000
 
$
1.23
 
 
1,153,000
 
$
1.24
 
 
286,000
 
$
1.21
 
Granted
 
 
288,000
 
 
1.42
 
 
68,833
 
 
1.79
 
 
219,167
 
 
1.30
 
Options vesting
 
 
-
 
 
-
 
 
134,833
 
 
1.20
 
 
(134,833)
 
 
1.20
 
Exercised
 
 
-
 
 
-
 
 
-
 
 
-
 
 
-
 
 
-
 
Forfeited/Cancelled
 
 
(255,833)
 
 
1.21
 
 
(215,000)
 
 
1.25
 
 
(40,833)
 
 
1.02
 
Outstanding at June 30, 2012
 
 
1,471,167
 
 
1.27
 
 
1,141,666
 
 
1.27
 
 
329,501
 
 
1.29
 
Granted
 
 
387,898
 
 
1.19
 
 
183,898
 
 
1.14
 
 
204,000
 
 
1.24
 
Options vesting
 
 
-
 
 
-
 
 
193,333
 
 
1.25
 
 
(193,333)
 
 
1.25
 
Exercised
 
 
(85,333)
 
 
1.04
 
 
(85,333)
 
 
1.04
 
 
-
 
 
-
 
Forfeited/Cancelled
 
 
(80,834)
 
 
1.82
 
 
(80,834)
 
 
1.82
 
 
-
 
 
-
 
Outstanding at June 30, 2013
 
 
1,692,898
 
$
1.24
 
 
1,352,730
 
$
1.23
 
 
340,168
 
$
1.29
 
Assumptions Used To Estimate Fair Values 1 [Table Text Block]
The following table presents the assumptions used to estimate the fair values based upon a Black-Scholes option pricing model of the stock options granted during the years ended June 30, 2013 and 2012.
 
 
 
Years Ended June 30,
 
 
 
 
2013
 
 
2012
 
 
Expected dividend yield
 
 
0
%
 
 
0
%
 
Risk-free interest rate
 
 
0.67% - 1.08
%
 
 
0.87% - 1.95
%
 
Expected life (in years)
 
 
5 - 6
 
 
 
5 - 6
 
 
Expected volatility
 
 
130% - 133
%
 
 
144% - 148
%
 
Schedule of Share-based Compensation, Shares Authorized under Stock Option Plans, by Exercise Price Range [Table Text Block]
Additional information regarding stock options outstanding and exercisable as of June 30, 2013 is as follows:
 
Option Exercise Price
 
Options
Outstanding
 
Remaining
Contractual
Life (in years)
 
Options
Exercisable
 
$
1.00
 
 
347,000
 
 
5.91
 
 
347,000
 
 
1.02
 
 
287,000
 
 
7.08
 
 
287,000
 
 
1.07
 
 
53,898
 
 
9.30
 
 
33,898
 
 
1.15
 
 
278,000
 
 
9.61
 
 
150,000
 
 
1.25
 
 
32,000
 
 
9.63
 
 
-
 
 
1.30
 
 
263,000
 
 
8.68
 
 
131,500
 
 
1.50
 
 
380,000
 
 
4.56
 
 
380,000
 
 
1.85
 
 
24,000
 
 
9.89
 
 
-
 
 
3.00
 
 
15,000
 
 
7.54
 
 
12,500
 
 
3.05
 
 
10,000
 
 
7.62
 
 
8,332
 
 
3.65
 
 
3,000
 
 
7.73
 
 
2,500
 
 
Total
 
 
1,692,898
 
 
 
 
 
1,352,730
 
Schedule Of Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options [Table Text Block]
The following table summarizes warrant activity:
 
 
 
Number of
Warrants
 
Weighted
Average
Exercise
Price
 
Outstanding, June 30, 2011
 
 
2,894,684
 
$
1.98
 
Granted
 
 
155,000
 
 
1.27
 
Exercised
 
 
(462,502)
 
 
1.35
 
Expired
 
 
(11,000)
 
 
1.50
 
Outstanding, June 30, 2012
 
 
2,576,182
 
 
2.06
 
Granted
 
 
-
 
 
-
 
Exercised
 
 
-
 
 
-
 
Expired
 
 
(200,009)
 
 
2.00
 
Outstanding, June 30, 2013
 
 
2,376,173
 
$
2.06
 
Exercisable, June 30, 2012
 
 
2,576,182
 
$
2.06
 
Exercisable, June 30, 2013
 
 
2,376,173
 
$
2.06
 
Schedule Warrants Outstanding and Exercisable [Table Text Block]
Additional information regarding warrants outstanding and exercisable as of June 30, 2013 is as follows:
 
Warrant Exercise Price
 
Warrants
Outstanding
 
Remaining
Contractual
Life (in years)
 
Warrants
Exercisable
 
$1.19
 
 
150,000
 
 
8.48
 
 
150,000
 
1.25
 
 
150,000
 
 
2.35
 
 
150,000
 
1.75
 
 
333,331
 
 
1.39
 
 
333,331
 
2.00
 
 
1,081,175
 
 
0.33
 
 
1,081,175
 
2.25
 
 
266,667
 
 
1.48
 
 
266,667
 
3.00
 
 
390,000
 
 
0.63
 
 
390,000
 
3.50
 
 
2,500
 
 
3.01
 
 
2,500
 
4.00
 
 
2,500
 
 
3.01
 
 
2,500
 
Total
 
 
2,376,173
 
 
 
 
 
2,376,173