Notes payable (Tables)
12 Months Ended
Jun. 30, 2013
Notes Payable [Abstract]  
Schedule of Maturities of Long-term Debt [Table Text Block]
Future principal payments under the note at June 30, 2013 are as follows:
 
Fiscal Year Ending June 30,
 
Amount
 
2014
 
$
55,293
 
2015
 
 
11,059
 
Total future minimum principal payments
 
 
66,352
 
Less current portion
 
 
(55,293)
 
Long-term portion
 
$
11,059