Quarterly report pursuant to Section 13 or 15(d)

Basis of Presentation (Details Textual)

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Basis of Presentation (Details Textual) - USD ($)
$ in Thousands
 3 Months Ended
May. 15, 2015
Sep. 30, 2015
Sep. 30, 2014
Jun. 30, 2015
Jun. 30, 2014
Basis of Presentation [Line Items]          
Accumulated deficit   $ (49,632)   $ (47,827)  
Net Cash Used in Operating Activities   (1,147) $ (570)    
Cash and Cash Equivalents, at Carrying Value, Total   $ 8,384 $ 3,486 $ 9,494 $ 3,590
Aspire Capital Fund, LLC 2014 [Member] | Maximum [Member]          
Basis of Presentation [Line Items]          
Term Of Stock Purchase Agreement 3 years        
Aspire Capital Fund Llc [Member] | Maximum [Member]          
Basis of Presentation [Line Items]          
Sale of Stock, Consideration Received on Transaction $ 15,000